TRUECALC
Functions

POISSON.DIST

Poisson CDF/PMF

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When to use it

When should I use POISSON.DIST?

Use POISSON.DIST to model the probability of a given number of rare, independent events occurring in a fixed interval of time or space when the average rate is known — for example, predicting call-center volume or defect counts in manufacturing.

Used in

science · operations

Syntax

POISSON.DIST(x,mean,cumulative)

Examples

=POISSON.DIST(2,1,FALSE) // => 0.18393972058572117
=POISSON.DIST(2,1,TRUE) // => 0.9196986029286058
=POISSON.DIST(2.4,1,FALSE) // => 0.18393972058572117

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