Question: (From Section 7.1, Exercises 3 and 7) For the following joint distributions, find the probabilities for the random variable X + Y and check that

(From Section 7.1, Exercises 3 and 7)

(From Section 7.1, Exercises 3 and 7) 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 0.1 0.2 0.3 Y=20.05 0.15 0.2

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