stats_dens_pmf_binomial

    (PECL stats >= 1.0.0)

    stats_dens_pmf_binomial — Probability mass function of the binomial distribution

    説明

    stats_dens_pmf_binomial(float $x, float $n, float $pi): float

    Returns the probability mass at x, where the random variable follows the binomial distribution of which the number of trials is n and the success rate is pi.

    パラメータ

    x

    The value at which the probability mass is calculated

    n

    The number of trials of the distribution

    pi

    The success rate of the distribution

    戻り値

    The probability mass at x or false for failure.

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