英语词汇“Poisson distribution”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Poisson distribution
释义	Word Frequency Poisson distribution (ˈpwɑːsən) noun statistics a distribution that represents the number of events occurring randomly in a fixed time at an average rate λ; symbol P0(λ). For large n and small p with np = λ it approximates to the binomial distribution Bi (n,p) Word origin C19: named after S. D. Poisson
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