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# Q2 2 Points The time between students pinging professor with questions during an exam is modeled by an exponential random variable X (measured in

## Q2 2 Points The time between students pinging professor with questions during an exam is modeled by an exponential random variable X (measured in minutes) with parameter (usual notation) Q2.1 1 Point Suppose = 1/2. Compute the probability that professor can leave his desk for 5 minutes without missing a question. O 0.041 0.082 0.164 0.918 O 0.959 Save Answer Q2.2 1 Point What would be so that the events (less than 3 minutes between questions} and {greater than 3 minutes between questions) are equally probable? O 0.597 O 1.675 0.231 O 4.328 O 2.079

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