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    stats_rand_gen_ibinomial_negative

    (PECL stats >= 1.0.0)

    stats_rand_gen_ibinomial_negative — Generates a random deviate from the negative binomial distribution

    说明

    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.

    参数

    n

    The number of success

    p

    The success rate

    返回值

    A random deviate, which is the number of failure.

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