a) The random variables X and Y have the joint probability mass function given by P(x, y) = *+3y Construct a joint probability table for the two variables using the blank table below. for x 1,2 and y = 1,2. 24 Y P(x) 1 1 P(y) b) Find E(x) c) Find E (Y)

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A:

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A: # Let X and Y be dependent random variables. Which statements are always true?

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