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PoissonDist - script and chart function

PoissonDist() returns the accumulated probability of the Poisson distribution.


PoissonDist(value, mean)

Return data type: number

Argument Description
value The value at which you want to evaluate the distribution. The value must not be negative.
mean A positive number defining the average outcome.

This function is related to the PoissonInv function in the following way:
If prob = PoissonDist(value, mean), then PoissonInv(prob, mean) = value

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