Suppose the probability distribution of a random variable X is given by the function F(x) = 12/25

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Suppose the probability distribution of a random variable X is given by the function
F(x) = 12/25 ∙ 1/x for x = 1, 2, 3, 4
Calculate the mean and standard deviation of this distribution.
Distribution
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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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