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单词 binomial distribution
释义

binomial distribution

The discrete probability distribution for the number of successes when n independent Bernoulli trials are carried out, each with the same probability p of success. The probability mass function is given by inline, for 0 ≤ r ≤ n. This distribution is denoted B(n, p) and has mean np and variance np(1−p).

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更新时间:2025/5/20 3:45:55