# Question

Suppose the average time to service a Noodles & Company customer at a certain restaurant is 3 minutes and the service time follows an exponential distribution.

(a) What is the probability that a customer will be serviced in less than 3 minutes?

(b) Why is your answer more than 50 percent? Shouldn't exactly half the area be below the mean?

(a) What is the probability that a customer will be serviced in less than 3 minutes?

(b) Why is your answer more than 50 percent? Shouldn't exactly half the area be below the mean?

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