Hypergeometric distribution (EN) - © Rene Vapenik 2013

Hypergeometric distribution (EN)

ATENŢIE - în loc de o virgulă zecimală ar trebui să fie utilizate zecimal DOT!

**Formule**
$P(X=k)=\frac{\binom{K}{k}\binom{N-K}{n-k}}{\binom{N}{n}}$	$N&\in \left\{0,1,2,\dots\right\}$ $K&\in \left\{0,1,2,\dots,N\right\}$ $n&\in \left\{0,1,2,\dots,N\right\}$
$E(X)=n\frac{K}{N}$	$D(X)=\frac{K(N-K)n(N-n)}{N^{2}(N-1)}$

Probability mass function (EN)

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Contact © 2013 Autor: Rene Vapenik www.elektro-energetika.eu