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Suppose Y is a discrete random variable with probability distribution given by: P(Y=k)=k/10,fork= 1,2,3,4 a) Calculate the expected value of Y. Give your answer to

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Suppose Y is a discrete random variable with probability distribution given by: P(Y=k)=k/10,fork= 1,2,3,4 a) Calculate the expected value of Y. Give your answer to 2 decimal places. b) Calculate the variance of Y. Give your answer as a decimal to 2 decimal places. VAR[Y] = |:|

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