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Poisson Distribution
Numbers returned by the prand
primitive represent the number of random events that occur per
unit of time. For example, the number of customers that arrive in
a given hour. This probability distribution is characterized by
the mean number of events per unit time. The result returned by prand is always a positive
integer.
The prand primitive has the
format
prand( mean )
Probability Density Function for a node using the Poisson
distribution with a mean events per period of 3; prand(3).
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