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Poisson distribution

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Statistics A probability distribution which arises when counting the number of occurrences of a rare event in a long series of trials.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A limit of the binomial distribution for very large numbers of trials and a small probability of success.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a theoretical distribution that is a good approximation to the binomial distribution when the probability is small and the number of trials is large

Etymologies

After Siméon Denis Poisson (1781-1840), French mathematician.
(American Heritage® Dictionary of the English Language, Fourth Edition)
After Siméon Denis Poisson (1781-1840), French mathematician. (Wiktionary)

Examples

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