Question
Assume that we know only that the possible vaules of the random variable X must be in the set {1, 2, 3, 4} and that
Assume that we know only that the possible vaules of the random variable X must be in the set {1, 2, 3, 4} and that the E[ X ] = 3. What are the smallest and the largest possible values for its variance?
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Complex Variables and Applications
Authors: James Brown, Ruel Churchill
8th edition
73051942, 978-0073051949
