diff --git a/source/statistics/figures/bayes_theorem.svg b/source/statistics/figures/bayes_theorem.svg
new file mode 100644
index 0000000..c892d52
--- /dev/null
+++ b/source/statistics/figures/bayes_theorem.svg
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="210mm"
+   height="297mm"
+   viewBox="0 0 210 297"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3 (0e150ed6c4, 2023-07-21)"
+   sodipodi:docname="bayes_theorem.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     inkscape:zoom="4.8054975"
+     inkscape:cx="569.24388"
+     inkscape:cy="321.92297"
+     inkscape:window-width="1904"
+     inkscape:window-height="1016"
+     inkscape:window-x="0"
+     inkscape:window-y="48"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1">
+    <marker
+       style="overflow:visible"
+       id="Dot"
+       refX="0"
+       refY="0"
+       orient="auto"
+       inkscape:stockid="Dot"
+       markerWidth="0.8"
+       markerHeight="0.8"
+       viewBox="0 0 1 1"
+       inkscape:isstock="true"
+       inkscape:collect="always"
+       preserveAspectRatio="xMidYMid">
+      <path
+         transform="scale(0.5)"
+         style="fill:context-stroke;fill-rule:evenodd;stroke:none"
+         d="M 5,0 C 5,2.76 2.76,5 0,5 -2.76,5 -5,2.76 -5,0 c 0,-2.76 2.3,-5 5,-5 2.76,0 5,2.24 5,5 z"
+         sodipodi:nodetypes="sssss"
+         id="path17" />
+    </marker>
+  </defs>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#b3e1ff;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;paint-order:fill markers stroke;stroke:#404040;stroke-dasharray:none;fill-opacity:1"
+       id="rect1"
+       width="80.743019"
+       height="80.743019"
+       x="60.555042"
+       y="77.020554"
+       ry="0" />
+    <rect
+       style="fill:#b3ffbd;stroke:#404040;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:3,3;paint-order:fill markers stroke;fill-opacity:1;stroke-dashoffset:1.3"
+       id="rect2"
+       width="17.100752"
+       height="80.743027"
+       x="60.555042"
+       y="77.020554"
+       ry="0" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.93889px;line-height:1.25;font-family:'DejaVu Sans Mono';-inkscape-font-specification:'DejaVu Sans Mono Bold';stroke-width:0.264583;fill:#404040;fill-opacity:1"
+       x="157.97635"
+       y="67.896378"
+       id="text2"><tspan
+         sodipodi:role="line"
+         id="tspan2"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.93889px;font-family:'DejaVu Sans Mono';-inkscape-font-specification:'DejaVu Sans Mono Bold';stroke-width:0.264583;fill:#404040;fill-opacity:1"
+         x="157.97635"
+         y="67.896378">Population</tspan></text>
+    <rect
+       style="fill:none;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;paint-order:fill markers stroke;stroke:#404040;stroke-dasharray:none;fill-opacity:1"
+       id="rect3"
+       width="80.743019"
+       height="80.743019"
+       x="60.555042"
+       y="77.020554"
+       ry="0" />
+    <path
+       style="fill:none;stroke:#404040;stroke-width:0.5;stroke-linecap:butt;stroke-linejoin:miter;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#Dot)"
+       d="m 155.23342,66.696034 -14.09738,10.48645"
+       id="path3"
+       sodipodi:nodetypes="cc" />
+  </g>
+</svg>