“Pascal’s distribution”的概念、定义、翻译、参考文献-科学参考

单词	Pascal’s distribution
释义	Pascal’s distribution Physics The distribution of the number of independent Bernoulli trials performed up to and including the r^th success. The probability that the number of trials, x, is equal to k is given by $P (x = k) =^{k - 1} C_{r - 1} p^{r} q^{k - r}$ The mean and variance are r/p and rq/p² respectively. See also geometric distribution.
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