Question: Suppose that X is a discrete random variable whose probability mass function is 'p', and its domain is chosen to be the set {-2, 3,

Suppose that X is a discrete random variable whose probability mass function is 'p', and its domain is chosen to be the set {-2, 3, 5, 7} with probabilites shown below. a) What is the value of p(5)?

b) What is the value of E(X)?

c) What is the value of E(X²)?

What is the value of Var(X)? (do not round)

b) What is the value of Stdev(X)? (round to 4 decimal places)

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