Asymmetrical distributions {Poisson distribution, statistics} can have most numbers near mean. Domain starts at zero and is continuous. Mean and variance equal n*p. Terms equal (u^r / r!) * e^-u, where r is favorable-outcome number, from zero to infinity, u equals n*p, p is favorable-outcome probability, and n is event number. Poisson distribution is binomial-distribution limit, as p goes to zero and N goes to infinity.
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Date Modified: 2022.0224