diff --git a/images/datascience.svg b/images/datascience.svg
index dab5f3d..23c9cb0 100644
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+++ b/images/datascience.svg
@@ -1,3 +1,3 @@
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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 344px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Continuous distributions (pdf's)</div></div></div></foreignObject><text x="455" y="348" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Continuous distributions (pd...</text></switch></g></a><path d="M 70 449 Q 5 449 5 436.5 Q 5 424 20 424" fill="none" stroke="#1b3cb3" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Cumulative_distribution_function"><rect x="70" y="441.5" width="180" height="15" rx="2.25" ry="2.25" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="70" y="441.5" width="180" height="15" rx="2.25" ry="2.25" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 394px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Discrete distributions (pmf's)</div></div></div></foreignObject><text x="455" y="398" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Discrete distributions (pmf'...</text></switch></g></a><a xlink:href="https://en.wikipedia.org/wiki/Chi-squared_distribution"><rect x="689.5" y="164" width="120" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="689.5" y="164" width="120" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 271px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif">Multinomial</font></div></div></div></foreignObject><text x="750" y="274" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Multinomial</text></switch></g></a><path d="M 689.5 295.5 Q 614.76 295.52 614.76 344.76 Q 614.76 394 540 394" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Hypergeometric_distribution"><rect x="689.5" y="285.5" width="120" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="689.5" y="285.5" width="120" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 296px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif">Hypergeometric</font></div></div></div></foreignObject><text x="750" y="299" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Hypergeometric</text></switch></g></a><path d="M 689.5 320.5 Q 614.76 320.52 614.76 357.26 Q 614.76 394 540 394" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Poisson_distribution"><rect x="689.5" y="310.5" width="120" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="689.5" y="310.5" width="120" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 321px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif">Poisson</font></div></div></div></foreignObject><text x="750" y="324" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Poisson</text></switch></g></a><rect x="625" y="384" width="184" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="625" y="384" width="184" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 394px; margin-left: 717px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif"><a href="https://en.wikipedia.org/wiki/Expected_value"><font color="#ffffff">Expectation</font></a><font> and </font><a href="https://en.wikipedia.org/wiki/Mean"><font color="#ffffff">mean</font></a></font></div></div></div></foreignObject><text x="717" y="397" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Expectation and mean</text></switch></g><rect x="370" y="479" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 494px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Important Laws</div></div></div></foreignObject><text x="455" y="498" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Important Laws</text></switch></g><path d="M 540 444 Q 582.52 444 582.52 419 Q 582.52 394 625 394" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><rect x="370" y="429" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="429" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 444px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Summary statistics</div></div></div></foreignObject><text x="455" y="448" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Summary statistics</text></switch></g><path d="M 370 544 Q 370 550 357.5 550 Q 345 550 345 599.5 Q 345 649 298 649" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><path d="M 370 544 Q 370 550 357.5 550 Q 345 550 345 614.5 Q 345 679 298 679" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Estimation_theory"><rect x="370" y="529" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="529" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 544px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Estimation</div></div></div></foreignObject><text x="455" y="548" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Estimation</text></switch></g></a><path d="M 540 594 Q 540 594 639.5 594" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Statistical_hypothesis_testing"><rect x="370" y="579" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="579" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 594px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Hypothesis Testing</div></div></div></foreignObject><text x="455" y="598" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Hypothesis Testing</text></switch></g></a><a xlink:href="https://en.wikipedia.org/wiki/Confidence_interval"><rect x="370" y="629" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="629" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 419px; margin-left: 717px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif"><font color="#ffffff"><a href="https://en.wikipedia.org/wiki/Variance"><font color="#ffffff">Variance</font></a> </font>and <a href="https://en.wikipedia.org/wiki/Standard_deviation"><font color="#ffffff">standard deviation (sd)</font></a></font></div></div></div></foreignObject><text x="717" y="422" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Variance and standard deviation (...</text></switch></g><path d="M 625 444 Q 625 444 540 444" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><rect x="625" y="434" width="185" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="625" y="434" width="185" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 494px; margin-left: 717px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif"><span>Interquartile range</span></font></div></div></div></foreignObject><text x="717" y="497" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Interquartile range</text></switch></g></a><path d="M 625 519 Q 582.52 519 582.52 481.5 Q 582.52 444 540 444" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><rect x="625" y="509" width="184" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="625" y="509" width="184" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 519px; margin-left: 717px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif"><a href="https://en.wikipedia.org/wiki/Percentile"><font color="#ffffff">Percentile</font></a><font> / </font><a href="https://en.wikipedia.org/wiki/Quantile"><font color="#ffffff">quantile</font></a></font></div></div></div></foreignObject><text x="717" y="522" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Percentile / quantile</text></switch></g><path d="M 625 544 Q 582.52 544 582.52 494 Q 582.52 444 540 444" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Mode_(statistics)"><rect x="625" y="534" width="184" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="625" y="534" width="184" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 679px; margin-left: 206px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><span style="font-size: 10px">Kernel Density Estimation (KDE)</span></div></div></div></foreignObject><text x="206" y="682" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Kernel Density Estimation (KDE)</text></switch></g></a><a xlink:href="https://en.wikipedia.org/wiki/P-value"><rect x="639.5" y="584" width="170" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="639.5" y="584" width="170" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 594px; margin-left: 725px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif"><span>p-Value</span></font></div></div></div></foreignObject><text x="725" y="597" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">p-Value</text></switch></g></a><path d="M 639.5 619 Q 589.76 619 589.76 606.5 Q 589.76 594 540 594" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Chi-squared_test"><rect x="639.5" y="609" width="170" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" transform="translate(2,3)" opacity="0.25"/><rect x="639.5" y="609" width="170" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 149px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Exponential</div></div></div></foreignObject><text x="750" y="152" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Exponential</text></switch></g></a><path d="M 689.5 174 Q 585 174 585 259.5 Q 585 345 540 344" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Discrete_uniform_distribution"><rect x="689.5" y="210" width="120" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="689.5" y="210" width="120" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 220px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif">Uniform (discrete)</font></div></div></div></foreignObject><text x="750" y="223" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Uniform (discrete)</text></switch></g></a><path d="M 540 394 Q 614.8 394 614.8 307 Q 614.8 220 689.5 220" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://support.minitab.com/en-us/minitab-express/1/help-and-how-to/basic-statistics/probability-distributions/supporting-topics/basics/continuous-and-discrete-probability-distributions/#what-is-a-discrete-distribution"><rect x="370" y="379" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="379" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 394px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Discrete distributions (pmf's)</div></div></div></foreignObject><text x="455" y="398" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Discrete distributions (pmf'...</text></switch></g></a><a xlink:href="https://en.wikipedia.org/wiki/Chi-squared_distribution"><rect x="689.5" y="164" width="120" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="689.5" y="164" width="120" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 321px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif">Poisson</font></div></div></div></foreignObject><text x="750" y="324" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Poisson</text></switch></g></a><rect x="625" y="384" width="184" height="20" rx="3" ry="3" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="625" y="384" width="184" height="20" rx="3" ry="3" fill="#878787" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 394px; margin-left: 717px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 11px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font face="sans-serif"><a href="https://en.wikipedia.org/wiki/Expected_value"><font color="#ffffff">Expectation</font></a><font> and </font><a href="https://en.wikipedia.org/wiki/Mean"><font color="#ffffff">mean</font></a></font></div></div></div></foreignObject><text x="717" y="397" fill="#FFFFFF" font-family="Helvetica" font-size="11px" text-anchor="middle">Expectation and mean</text></switch></g><rect x="370" y="479" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 494px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Important Laws</div></div></div></foreignObject><text x="455" y="498" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Important Laws</text></switch></g><path d="M 540 444 Q 582.5 444 582.5 419 Q 582.5 394 625 394" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><rect x="370" y="429" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="429" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 444px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Summary statistics</div></div></div></foreignObject><text x="455" y="448" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Summary statistics</text></switch></g><path d="M 370 544 Q 370 550 357.5 550 Q 345 550 345 599.5 Q 345 649 298 649" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><path d="M 370 544 Q 370 550 357.5 550 Q 345 550 345 614.5 Q 345 679 298 679" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Estimation_theory"><rect x="370" y="529" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="529" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 544px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Estimation</div></div></div></foreignObject><text x="455" y="548" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Estimation</text></switch></g></a><path d="M 540 594 Q 540 594 639.5 594" fill="none" stroke="#1f6286" stroke-miterlimit="10" stroke-dasharray="1 2" pointer-events="stroke"/><a xlink:href="https://en.wikipedia.org/wiki/Statistical_hypothesis_testing"><rect x="370" y="579" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="579" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" dir="ltr" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 594px; margin-left: 455px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #FFFFFF; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Hypothesis Testing</div></div></div></foreignObject><text x="455" y="598" fill="#FFFFFF" font-family="Helvetica" font-size="12px" text-anchor="middle">Hypothesis Testing</text></switch></g></a><a xlink:href="https://en.wikipedia.org/wiki/Confidence_interval"><rect x="370" y="629" width="170" height="30" rx="4.5" ry="4.5" fill="#000000" stroke="#000000" pointer-events="all" transform="translate(2,3)" opacity="0.25"/><rect x="370" y="629" width="170" height="30" rx="4.5" ry="4.5" fill="#1f6286" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; 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diff --git a/images/intro.xml b/images/intro.xml
index ca79150..18dc1d0 100644
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+++ b/images/intro.xml
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diff --git a/readme.md b/readme.md
index e9a9638..3636b73 100644
--- a/readme.md
+++ b/readme.md
@@ -16,7 +16,7 @@
 
 Below you find a set of charts demonstrating the paths that you can take and the technologies that you would want to adopt in order to become a data scientist, machine learning or an ai expert. We made these charts for our new employees to make them AI Experts but we wanted to share them here to help the community.
 
-If you are interested to become an AI EXPERT at [AMAI](https://am.ai?utm_source=GitHub&utm_medium=Referral&utm_campaign=AI+Expert+Roadmap+Become+Expert) in Germany, or you want to [hire an AI Expert](https://am.ai?utm_source=GitHub&utm_medium=Referral&utm_campaign=AI+Expert+Roadmap+Hire+Expert), please say [hi@am.ai](mailto:hi@am.ai).
+If you are interested to become an AI EXPERT at [AMAI](https://www.linkedin.com/company/amai-gmbh/?utm_source=GitHub&utm_medium=Referral&utm_campaign=AI+Expert+Roadmap+Become+Expert) in Germany, or you want to [hire an AI Expert](https://am.ai?utm_source=GitHub&utm_medium=Referral&utm_campaign=AI+Expert+Roadmap+Hire+Expert), please say [hi@am.ai](mailto:hi@am.ai).
 
 ## Note
 
@@ -99,5 +99,5 @@ If you think any of the roadmaps can be improved, please do open a PR with any u
 
 ## Supported By
 
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