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    Mathematics A-Level

    binomial versus Poisson

    What binomial versus Poisson means in Mathematics A-Level, as defined for WJEC.

    Definition of binomial versus Poisson

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    Reference: WJEC

    The binomial model fits when trials are fixed and dichotomous, while the Poisson model suits counts of rare events occurring in continuous time or space.
    WJEC · Statistical distributions (AS Unit 2: Applied Mathematics A)

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