4.Assume that X is an exponential random variable. Supposefurther thatVar(X)= 5. E(X).(a)Find the parameter 0> 0.(b)Compute Var(X + 4).(c)Compute P(X > 15[X > 11).

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Answered: 4. Assume that X is an exponential…

A First Course in Probability (10th Edition)

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Chapter1: Combinatorial Analysis

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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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4. Assume that X is an exponential random variable. Suppose further that Var(X) 5- E(X). (a) Find the parameter 0 > 0. (b) Compute Var(X +4). (c) Compute P(X > 15|X > 11).