Generates a random deviate from the negative binomial distribution

# stats_rand_gen_ibinomial_negative

(PECL stats >= 1.0.0)

stats_rand_gen_ibinomial_negative — Generates a random deviate from the negative binomial distribution

### 説明

function stats_rand_gen_ibinomial_negative(int `$n`, float `$p`): int

Returns a random deviate from a negative binomial distribution where the number of success is `n` and the success rate is `p`.

### パラメータ

`n`
  The number of success
`p`
  The success rate

### 戻り値

A random deviate, which is the number of failure.

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