Question: (From Section 7.1, Exercises 2 and 6) For the following joint distributions, find the probabilities for the random variable X + Y and check that

(From Section 7.1, Exercises 2 and 6)

(From Section 7.1, Exercises 2 and 6) 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 0.45 0.25 r=3 0.05 0.25

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