(PECL stats >= 1.0.0)

stats_dens_pmf_hypergeometricProbability mass function of the hypergeometric distribution


float stats_dens_pmf_hypergeometric ( float $n1 , float $n2 , float $N1 , float $N2 )

Returns the probability mass at n1, where the random variable follows the hypergeometric distribution of which the number of failure is n2, the number of success samples is N1, and the number of failure samples is N2.

Elenco dei parametri


The number of success, at which the probability mass is calculated


The number of failure of the distribution


The number of success samples of the distribution


The number of failure samples of the distribution

Valori restituiti

The probability mass at n1 or FALSE for failure.

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