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Suppose Y has density function f(y) = 60y 3 (1 y) b , 0 < y < 1. Find (a) b, (b) E(Y ), and

Suppose Y has density function f(y) = 60y³ (1 y)^b , 0 < y < 1. Find (a) b, (b) E(Y ), and (c) E(Y 2 ).

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