deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 4dad008..57f119c 100644  --- a/untitled.tex  +++ b/untitled.tex 
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$a_i=1/n$:\\  $\mathbb{V}\delta=\sum_{i=1}^{n}\frac{1}{n^2}\mathbb{V}X_i + \sum_{i\neq j}\frac{1}{n^2}\mathbb{V}X_i$\\  \\  $=\mathbb{V}X_1\frac{1+n}{2n}$ ($=\mathbb{V}X_1\frac{1+n}{2n}$  schrumpft wenn $n$ wächst wächst)