Question: (From Section 7.1, Exercises 4 and 8) For the following joint distributions, find the probabilities for the random variable X + Y and check that

(From Section 7.1, Exercises 4 and 8)

(From Section 7.1, Exercises 4 and 8) For the following joint

For the following joint distributions, find the probabilities for the random variable X + Y and check that E(X + Y) = E(X) + E(Y).

Y=1 0.05 0.04 0.01 Y=2 0.1 0.08 0.02 Y=3 0.35 0.28 0.07

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