# TIA's Glossary of Telecommunication Terms

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## Poisson distribution

A mathematical statement of the probability that exactly *k* discrete events will take place during an interval of length *t* , expressed by where *k* is a non-negative integer, e is the base of the natural logarithms (e2.71828), is the constant rate that the events occur, and *t* is the expected number of events occurring during an interval of length *t* .

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