A discrete random variable Y has probability distribution given in the table below. Y 1 2 P(Y=y) 0.3 a) Given E(Y)=1.5, find the value of a and b. answer, a=0.6 & b-0.1 b) Calculate P (Y > 1). answer =0.4 Compute E (Y) and variance of Y. answer, E (y2) = 2.7 & variance y 0.45 %3D c)

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