diff --git a/is/UB1/ISUB1.pdf b/is/UB1/ISUB1.pdf
index 2afe67f..ceb0e4d 100644
--- a/is/UB1/ISUB1.pdf
+++ b/is/UB1/ISUB1.pdf
Binary files differ
diff --git a/is/UB1/ISUB1.tex b/is/UB1/ISUB1.tex
index 7bd612e..ddb21ee 100644
--- a/is/UB1/ISUB1.tex
+++ b/is/UB1/ISUB1.tex
@@ -111,7 +111,7 @@
     \Aufgabe{Random Variables}{2+2+2=6}
         \begin{enumerate}
             \item $F\left(\frac{3}{2}\right)-F\left(\frac{1}{2}\right)=\frac{3}{4}-\frac{1}{4}=\frac{1}{2}$
-            \item 
+            \item
              $x^2<x\Leftrightarrow x\in (0,1)$ \\
              $\Rightarrow \mathds{P}(Y<X)=\mathds{P}(0\leq X<1)=F\left(1\right)-F\left(0\right)=\frac{1}{2}-0=\frac{1}{2}$\\
             \item $
@@ -120,10 +120,10 @@
             F_z(z)= \frac{1}{2} z^2\\
             F_Z(x)=\begin{cases}
                 0 & if\ z<0\\
-                \frac{1}{2} z^2 & if\ 0\leq z\leq 2\\
-                1 & if\ z>2
+                \frac{1}{2} z^2 & if\ 0\leq z\leq \sqrt2\\
+                1 & if\ z>\sqrt2
             \end{cases}$%TODO: adjust intervals dazu sagt das Beispiel nichts...
-           \\ reference: http://math.arizona.edu/~jwatkins/f-transform.pdf 
+           \\ reference: http://math.arizona.edu/$\sim$jwatkins/f-transform.pdf
         \end{enumerate}
     \Aufgabe{Keep Rolling!}{4}
         \begin{align*}