Poisson distribution - © Rene Vapenik 2010

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Poisson distribution

ATTENTION - instead of a decimal comma should be used decimal DOT !

**Formulas**
$Y\sim Po(\lambda )$	$P(Y=k)= rac{\lambda ^{k}}{k!}.e^{-\lambda }$
$E(X)=\lambda$	$D(X)=\lambda$
$\gamma _{1}=\frac{1}{\sqrt{\lambda}}$	$\gamma _{2}=\frac{1}{\lambda}$

Probability mass function

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Contact © 2010-2011 Author: Rene Vapenik www.elektro-energetika.eu