POISSON

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When to use it

When should I use POISSON?

Use POISSON (legacy) to compute the Poisson probability mass or cumulative distribution for the number of events in a fixed interval — for example, predicting how often a server receives exactly 2 requests per second given an average rate of 1.

Used in

science · operations

Syntax

POISSON(x,mean,cumulative)

Examples

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