Her glemte jeg å opphøye i annen. Det skal selvsagt værezeta skrev: [tex]\leq \frac{E(\frac{X_n}{n}-1)}{\epsilon^2}[/tex]
[tex]= \frac{E(\frac{X_n}{n}-E(\frac{X_n}{n}))}{\epsilon^2}[/tex]
[tex]\leq \frac{E(\frac{X_n}{n}-1)^2}{\epsilon^2}[/tex]
[tex]= \frac{E(\frac{X_n}{n}-E(\frac{X_n}{n}))^2}{\epsilon^2}[/tex]