Question: Let X be a continuous random variable with pdf f(x) = 2(1 x ) if 0 x 1; 0 otherwise 1.1. What is E(X)? 1.2.

Let X be a continuous random variable with pdf f(x) = 2(1 x ) if 0 x 1; 0 otherwise 1.1. What is E(X)? 1.2. What is E(X^2)? 1.3. What is Var(X)? Use your answers to the previous two parts and the formula Var(X) = E(X^2) 2

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