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Y is a continuous random variable with the following density: 3y2 for 0

Y is a continuous random variable with the following density: 3y2 for 0 S y S 1 f(y) = O otherwise QUESTION: 1. What is the expectation of Y? (A) 2/3 (B) 3/4 (C) 4/5 2. What is the expectation of I/Y? (A) 2/3 (B) 4/3