# Question: An exponential random variable has a PDF given by fX x

An exponential random variable has a PDF given by fX(x) = exp (– x) u (x) .

(a) Find the mean and variance of X.

(b) Find the conditional mean and the conditional variance given that X > 1

(a) Find the mean and variance of X.

(b) Find the conditional mean and the conditional variance given that X > 1

**View Solution:**## Answer to relevant Questions

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