Poisson distribution[1][2].
Syntax:
POISSON.DIST( x:Number, lambda:Number, cumulative:Boolean )
Returns the value of the cumulative distribution function (CDF) or the probability mass function (PMF) for the Poisson distribution with given lambda parameter at x.
cumulative selects CDF (TRUE, default) or PMF (FALSE).
TRUE
FALSE
Revisions:
This function was added in Fireworkz 2.00.