| 单词 | poisson distribution |
| 释义 | Poisson distribution[ pwah-sohn; French pwa-sawn ] / pwɑˈsoʊn; French pwaˈsɔ̃ / noun Statistics.a limiting form of the binomial probability distribution for small values of the probability of success and for large numbers of trials: particularly useful in industrial quality-control work and in radiation and bacteriological problems. Origin of Poisson distribution1920–25; named after S. D. Poisson (1781–1840), French mathematician and physicist Words nearby Poisson distributionpoison pill, poison sumac, poison sumach, poisonwood, Poisson, Poisson distribution, Poisson's ratio, Poitier, Poitiers, poitín, Poitou Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Poisson distributionPoisson distribution / (ˈpwɑːsən) / nounstatistics a distribution that represents the number of events occurring randomly in a fixed time at an average rate λ; symbol P 0 (λ). For large n and small p with np = λ it approximates to the binomial distribution Bi (n,p) Word Origin for Poisson distributionC19: named after S. D. Poisson Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for Poisson distributionPoisson distribution [ pwä-sôɴ′ ] A probability distribution which arises when counting the number of occurrences of a rare event in a long series of trials. It is named after its discoverer, French mathematician and physicist Siméon Denis Poisson (1781-1840). The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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