noun
Poisson distribution
A discrete probability distribution expressing the probability of a given number of events occurring in a fixed interval of time or space. Used in statistics and probability theory.
ポアソン分布は、まれな事象の発生回数をモデル化するのに使われる。
The Poisson distribution is used to model the number of occurrences of rare events.
Named after the French mathematician Siméon Denis Poisson. The term is a direct loan from English 'Poisson distribution'.