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单词 hypergeometric distribution
释义 hypergeometric distribution
noun
: a probability function of the form f(x) = C(M, x) C(N - M, n - x) / C(N, n) where C(M, x) = M!/(x! (M - x)!) that gives the probability of obtaining exactly x elements of one kind and n-x elements of another if n elements are chosen at random without replacement from a finite population containing N elements of which M are of the first kind and N-M are of the second kind
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更新时间:2024/12/25 20:58:51