Poisson distribution
[/pwɑːˈsoʊn dɪˌstrɪˈbjuːʃən/]
nounpl: Poisson distributions
distribuição de Poisson
1. A discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space, assuming these events occur with a known constant mean rate and independently of the time since the last event.
The number of customer arrivals at a service desk per hour often follows a Poisson distribution.
O número de chegadas de clientes em um balcão de atendimento por hora frequentemente segue uma distribuição de Poisson.
2. A statistical model commonly used in quality control, epidemiology, and telecommunications to model rare events.
Engineers use the Poisson distribution to predict the number of defects in a manufacturing process.
Engenheiros usam a distribuição de Poisson para prever o número de defeitos em um processo de fabricação.
The Poisson distribution is named after the French mathematician Siméon Denis Poisson and is a fundamental concept in statistics and probability theory taught in universities worldwide. It is extensively used in business analytics, operations research, and scientific research in both Brazil and the USA. In Brazilian universities, particularly in engineering and statistics departments, it is a core topic in probability courses. The term remains consistent across English and Portuguese-speaking countries as it is a proper mathematical concept.
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