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    variance of the binomial distribution of voters support

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    In a survey, 80% of the voters support a particular referendum. If 20 voters are chosen at random, and X is the number of voters that support this referendum, find the mean and variance of X.

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    https://brainmass.com/math/probability/variance-binomial-distribution-voters-support-189685

    Solution Summary

    This solution provides brief calculations for the mean and variance.

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