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A discrete random variable X takes values 2, 3 and 4, with P(X = 2) = P(X = 4). What is the mean of X?
A discrete random variable X takes values 2, 3 and 4, with P(X = 2) = P(X = 4). What is the mean of X?
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Monthly Problem Gems
Authors: Hongwei Chen
1st Edition
1000402282, 9781000402285
