| 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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