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POISSON Function

The POISSON function is one of the statistical functions. It is used to return the Poisson distribution.


POISSON(x, mean, cumulative)

The POISSON function has the following arguments:

Argument Description
x The number of events, a numeric value greater than 0.
mean The expected numeric value greater than 0.
cumulative The form of the function, a logical value: TRUE or FALSE. If cumulative is TRUE, the function will return the cumulative Poisson probability; if FALSE, it will return the Poisson probability mass function.


How to apply the POISSON function.


The figure below displays the result returned by the POISSON function.

POISSON Function

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