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2. The joint pmf of X and Y is given by the table: a .01 0 0.3 {a} Find marginal pmf's for the pair of

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2. The joint pmf of X and Y is given by the table: a .01 0 0.3 {a} Find marginal pmf's for the pair of random variables. [2 marks] (b) Find the probability of the event A = {X > O}. [1 mark] {c} Are X and Y independent? Justify your answer. [2 marks] (d) Calculate 1E]X2Y]. [2 marks]

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