Question: 5. Suppose that X and Y are random variables having the joint probability distribution: 1 3 0.25 0.20 0.10 0.11 0.19 0.15 0. where

5. Suppose that X and Y are random variables having the joint

5. Suppose that X and Y are random variables having the joint probability distribution: 1 3 0.25 0.20 0.10 0.11 0.19 0.15 0. where the six decimal numbers represent P(X = x,Y = y). Answer the following: (a) Are X and Y independent? (b) What is the value of E(XY)? (c) What is the value of E(X)?

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