# cumulative distribution function

(redirected from*Probability distribution function*)

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Related to Probability distribution function: normal distribution

## cumulative distribution function

*n*

(Statistics)

*statistics*a function defined on the sample space of a distribution and taking as its value at each point the probability that the random variable has that value or less. The function*F*(*x*)*= P*(*X*≤*x*) where*X*is the random variable, which is the sum or integral of the probability density function of the distribution. Sometimes shortened to:**distribution function**Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

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