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Syntax

POISSON_ICDF(μ, p)

Description

Inverse cumulative poisson distribution function. Returns the value x such that the probability of x or fewer occurrences of an event in a time interval, with μ expected (or mean) occurrences of the event in the interval, is p.

Example

POISSON_ICDF(4, 0.238103305554) returns 2

POISSON_ICDF — Discussion