Question: Applied Statistics Suppose Z is a random variable with probability mass function 1/3 if z = 1 p z) = 1/3 if z = 2

Applied Statistics

Suppose Z is a random variable with probability mass function 1/3 if z = 1 p z) = 1/3 if z = 2 1/3 if z = 3 (a) What is the expected value of Z? (b) Compute the PMF of Z2. (c) Compute the PMF of (Z - E(Z) )2

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