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Question 1 The random variable X and Y have the following joint probability mass function: X P(x,y) 2 3 4 - 1 0.05 0.2 0.05

Question 1 The random variable X and Y have the following joint probability mass function: X P(x,y) 2 3 4 - 1 0.05 0.2 0.05 Y 0 0.2 0.3 0 2 0 0.1 0.1 Find the marginal pmf of X and Y. Find P(X + Y

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