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enter image description herettps://i.stack.imgur.com/RJiXH.png

Rebecca
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    What do you have tried? – Sebastiano Feb 23 '19 at 21:23
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    Similar to combining two copies of https://tex.stackexchange.com/questions/330412/how-to-get-this-gaussian-plot and https://tex.stackexchange.com/questions/352933/drawing-a-normal-distribution-graph and https://tex.stackexchange.com/questions/100022/plotting-normal-distribution-in-pgfplots –  Feb 23 '19 at 21:29

1 Answers1

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This may serve as a basis of a question that will be appreciated more. I will be happy to remove this.

\documentclass[tikz,border=3.14mm]{standalone}
\usetikzlibrary{patterns}
\definecolor{lazy}{RGB}{189,208,112}
\begin{document}
\begin{tikzpicture}[declare function={gauss(\x,\y)=exp(-(\x/\y)*(\x/\y));}]
 \draw (-5,0) -- (5,0)node[below right]{$\mu$};
 \draw (0,0) -- (0,4) node[above]{$f(x)$};
 \path[pattern color=lazy,pattern=vertical lines]
 plot[variable=\x,domain=-2:3,smooth] ({\x},{3*gauss(\x+2,1.5)}) -| cycle;
 \draw[color=lazy] plot[variable=\x,domain=-5:3,smooth] ({\x},{3*gauss(\x+2,1.5)});
 \path[pattern color=red,pattern=vertical lines]
 plot[variable=\x,domain=-5:-2,smooth] ({\x},{3*gauss(\x,1.5)}) |- cycle;
 \draw[color=blue] plot[variable=\x,domain=-5:5,smooth] ({\x},{3*gauss(\x,1.5)});
\end{tikzpicture}
\end{document}

enter image description here