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Statement of a problem № m525

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If the range of X is the set {0, 1, 2, 3, 4} and P(X =x) =0.2 determine the mean and variance of the random variable.

Solution:
If the range of X is the set {0, 1, 2, 3, 4} and P(X =x) =0.2 determine the mean

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