Question: Suppose that X has PDF fX (x) = 1 2 exp ( |x| ) for any x, where is some (real valued) unknown parameter. (a)

Suppose that X has PDF fX (x) = 1 2 exp ( |x| ) for any x, where is some (real valued) unknown parameter. (a) What is the distribution of Y = |X|? (b) What is E(X)? (c) What is Var(X)

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