POISSON function
POISSON(X, Mean,
IsCumulative) POISSON(X; Mean;
IsCumulative)
X
Number or { Number }
The number of events.
Mean
Number or { Number }
The expected number.
IsCumulative
Logical or { Logical }
FALSE to calculate the probability mass function and TRUE to calculate the cumulative distribution function.
Returns
Number or { Number }
A value for a Poisson distribution.
This function is a compatibility alias for POISSON.DIST. Use POISSON.DIST for new projects.