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20 September, 06:19

What is the formula for the expected number of successes in a binomial experiment with n trials and probability of success p?

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  1. 20 September, 09:54
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    np

    Explanation:

    If

    n = number of trials

    p = probability of success

    then the expected number of successes in a binomial experiment is given by

    E (X) = n*p.

    standard deviation

    σ = √ (npq)

    where q is probability of failure.
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