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 distribution
1920–25; named after S. D.
Poisson (1781–1840), French mathematician and physicist
British Dictionary definitions for poisson distribution
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 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 distribution
C19: named after S. D.
Poisson
Scientific definitions for poisson distribution
Poisson 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).