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Problem 6. (8 pts) Suppose Xis a random variable that has density function f(x) = ze-lil for -co IXI Problem 6. (8 pts) Suppose Xis

Problem 6. (8 pts) Suppose Xis a random variable that has density function f(x) = ze-lil for -co

IXI Problem 6. (8 pts) Suppose Xis a random variable that h; density fimction f (x) oc < < 00. Find: (a) (2 pts) < 10) (b) (3 pts) The c.d.f. of X 2. (b) (3 pts) Var(X)

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