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    stats_rand_gen_normal

    (PECL stats >= 1.0.0)

    stats_rand_gen_normal — Generates a single random deviate from a normal distribution

    说明

    stats_rand_gen_normal(float $av, float $sd): float

    Returns a random deviate from the normal distribution with mean, av, and standard deviation, sd.

    参数

    av

    The mean of the normal distribution

    sd

    The standard deviation of the normal distribution

    返回值

    A random deviate

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