Poisson distribution (redirected from Poisson distributions)

Pois·son distribution  (pwä-sô)

n. Statistics

A probability distribution which arises when counting the number of occurrences of a rare event in a long series of trials.

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[After Siméon Denis Poisson (1781-1840), French mathematician.]

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Poisson distribution [ˈpwɑːs^ən]

n

(Mathematics & Measurements / Statistics) 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)

[named after Siméon Denis Poisson (1781-1840), French mathematician]

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Poisson distribution  (pwä-sô)

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).

Thesaurus

Noun

1.

Poisson distribution - a theoretical distribution that is a good approximation to the binomial distribution when the probability is small and the number of trials is large distribution, statistical distribution - (statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters