(PECL stats >= 1.0.0)
stats_rand_gen_ibinomial_negative — Generates a random deviate from the negative binomial distribution
$n
, float $p
)
Returns a random deviate from a negative binomial distribution where the number of success is
n and the success rate is p.
nThe number of success
pThe success rate
A random deviate, which is the number of failure.