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Suppose Y is a discrete random variable with probability distribution given by: P(Y = k) = k/21 , for k = 1, 2, 3, 4,

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Suppose Y is a discrete random variable with probability distribution given by: P(Y = k) = k/21 , for k = 1, 2, 3, 4, 5, 6 a) Calculate the expected value of Y. Give your answer to 2 decimal places. E[Y] b) Calculate the variance of Y. Give your answer as a decimal to 2 decimal places. VAR[Y] =

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