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The following random variable is given. BE SURE TO READ THE PROBABILITIES CLOSELY. { fxy(x,y)= x + y 3 a. (3 points) Find the

The following random variable is given. BE SURE TO READ THE PROBABILITIES CLOSELY. { fxy(x,y)= x + y 3 a. (3 points) Find the marginal fx(y) b. (3 points) Find P(X

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