diff --git a/mb/Uebung1.pdf b/mb/Uebung1.pdf
index 64f44e8..99a6421 100644
--- a/mb/Uebung1.pdf
+++ b/mb/Uebung1.pdf
Binary files differ
diff --git a/mb/Uebung1.tex b/mb/Uebung1.tex
index f7c9509..8526c57 100644
--- a/mb/Uebung1.tex
+++ b/mb/Uebung1.tex
@@ -196,7 +196,7 @@
     \end{pmatrix}\\$
 
   \item $ N(\mu,\Sigma) = \frac{1}{(2\pi)^(\frac{\pi}{2})|\Sigma|^(\frac{1}{2})}e^{(-\frac{1}{2}(x-\mu)^T\Sigma^{-1}(x-\mu) )}\\
-	|\Sigma_S|= \frac{264}{25}\\
+	|\Sigma_S|= \frac{264}{25}\\%TODO: wrong exponents?
 	\Sigma^{-1} =
 	 \begin{pmatrix}
 	 \frac{61}{99}&\frac{-31}{132}&\frac{-53}{198}\\
@@ -215,26 +215,43 @@
 2\\3
 \end{pmatrix}\\
 \Sigma_y=\begin{pmatrix}
-0,5&1\\2&0.5
+1&0.5\\0.5&2
 \end{pmatrix}\\$
 \item $\mu_y=\begin{pmatrix}
 4\\-2
 \end{pmatrix}\\
 \Sigma_y=\begin{pmatrix}
--2&4\\8&-2
+4&-2\\-2&8
 \end{pmatrix}\\$
 \item$ \mu_y=\begin{pmatrix}
 \frac{2}{\Delta t}\\\frac{1}{\Delta t}
 \end{pmatrix}\\
 \Sigma_y=\begin{pmatrix}
-\frac{1}{2\Delta t^2}&\frac{1}{\Delta t^2}\\
-\frac{2}{\Delta t^2}&\frac{1}{2\Delta t^2}
+\frac{1}{(\Delta t)^2}&\frac{1}{2(\Delta t)^2}\\
+\frac{1}{2(\Delta t)^2}&\frac{2}{(\Delta t)^2}
 \end{pmatrix}\\$
-\item $\mu_y=?\\
-\Sigma_y=?$
+\item $\mu_y=2\mu_x+3\mu_z=\begin{pmatrix}
+    4\\2
+\end{pmatrix}+3\mu_z\\
+\Sigma_y=\begin{pmatrix}
+    2&0\\0&2
+\end{pmatrix}\begin{pmatrix}
+    1&0.5\\0.5&2
+\end{pmatrix}\begin{pmatrix}
+    2&0\\0&2
+\end{pmatrix}+\begin{pmatrix}
+    2&0\\0&2
+\end{pmatrix}\Sigma_z \begin{pmatrix}
+    2&0\\0&2
+\end{pmatrix}=\begin{pmatrix}
+    4&2\\2&8
+\end{pmatrix}+\begin{pmatrix}
+    2&0\\0&2
+\end{pmatrix}\Sigma_z \begin{pmatrix}
+    2&0\\0&2
+\end{pmatrix}$
 
 \end{enumerate}
-    %TODO Aufgaben bearbeiten
 
 \end{document}