Question: Assume the average time between students walking up to the instructor's desk during an exam to ask a question is 9 minutes and follows the

Assume the average time between students walking up to the instructor's desk during an exam to ask a question is 9 minutes and follows the exponential probability distribution.

a) What is the probability that the next student will ask a question within the next 3 minutes?

b) What is the probability that the next student will ask a question within the next 6 minutes?

c) What is the probability that the next student will ask a question between 4 and 8 minutes?

d) What is the probability that the next student will ask a question in more than 18 minutes?

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