Question: 4. Let X be an exponential random variable with mean E[X] = 2. Find (a) (7pts) P(X > 6 X > 5); (b) (8pts) E[X

4. Let X be an exponential random variable with mean E[X]

= 2. Find (a) (7pts) P(X > 6 X > 5); (b)

4. Let X be an exponential random variable with mean E[X] = 2. Find (a) (7pts) P(X > 6 X > 5); (b) (8pts) E[X X > 5]

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