Poisson distribution

noun

Pois·son distribution | \ pwä-ˈsōⁿ-

Definition of Poisson distribution

: a probability density function that is often used as a mathematical model of the number of outcomes obtained in a suitable interval of time and space, that has its mean equal to its variance, that is used as an approximation to the binomial distribution, and that has the form {latex}f(x) = \frac{e^{-\mu}\mu^{x}}{{x!}}{/latex} where μ is the mean and x takes on nonnegative integral values

Learn More About Poisson distribution

Dictionary Entries Near Poisson distribution

poisson bleu

Poisson distribution

Poitier

Statistics for Poisson distribution

Cite this Entry

“Poisson distribution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Poisson%20distribution. Accessed 5 Jul. 2022.

Style: MLA

MLA