stats_rand_gen_ibinomial
(PECL stats >= 1.0.0)
stats_rand_gen_ibinomial — Generates a random deviate from the binomial distribution
说明
stats_rand_gen_ibinomial
( int
$n
, float $pp
) : int
Returns a random deviate from the binomial distribution whose number of trials is n
and whose probability of an event in each trial is pp.
参数
-
n -
The number of trials
-
pp -
The probability of an event in each trial
返回值
A random deviate