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POISSON

Returns the Poisson distribution. Replaced by POISSON.DIST.

Syntax

POISSON(x, mean, cumulative)

Parameters

  • x: Required. The number of events
  • mean: Required. The expected numeric value
  • cumulative: Required. A logical value: TRUE for the cumulative Poisson probability, FALSE for the Poisson probability mass function

Example

=POISSON(2, 5, TRUE)
Returns: NumberSince: Excel 2003