What is POISSON.DIST function in Excel? POISSON.DIST function is one of Statistical functions in Microsoft Excel that returns the Poisson distribution. A common application of the Poisson distribution is predicting the number of events over a specific time, such as the number of cars arriving at a toll plaza in 1 minute. Syntax of POISSON.DIST function POISSON.DIST(x,mean,cumulative) The POISSON.DIST function syntax…