diff --git a/semester4/ps/ps-jh/parts/03_expected-value/02_cont.tex b/semester4/ps/ps-jh/parts/03_expected-value/02_cont.tex
index e6e937a..124ffc2 100644
--- a/semester4/ps/ps-jh/parts/03_expected-value/02_cont.tex
+++ b/semester4/ps/ps-jh/parts/03_expected-value/02_cont.tex
@@ -1,5 +1,5 @@
 \subsection{Stetige Zufallsvariablen}
-\shortdefinition $\cX$ stetig $\E[\cX] = \int_{-\8}^{\8} x _\cX(x) \dx x$
+\shortdefinition $\cX$ stetig $\E[\cX] = \int_{-\8}^{\8} x f_\cX(x) \dx x$
 
 \shorttheorem $\E[\varphi(\cX)] = \int_{-\8}^{\8} \varphi(x) f_\cX(x) \dx x$, falls int. wohldefiniert
 
diff --git a/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf b/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf
index c8f17ac..6e2af89 100644
Binary files a/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf and b/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.pdf differ