stats_dens_pmf_negative_binomial
(PECL stats >= 1.0.0)
stats_dens_pmf_negative_binomial — Probability mass function of the negative binomial distribution
Descrição
Returns the probability mass at x, where the
random variable follows the negative binomial distribution of which
the number of the success is n and the success
rate is pi.
Parâmetros
x-
The value at which the probability mass is calculated
n-
The number of the success of the distribution
pi-
The success rate of the distribution
Valor Retornado
The probability mass at x or false for failure.