Question: I The servicing time at the drive - through lane of a fast food restaurant follows an exponential distribution . The average servicing time is

I The servicing time at the drive - through lane of

I The servicing time at the drive - through lane of a fast food restaurant follows an exponential distribution . The average servicing time is 1 . 5 minutes . ( 4 points ) a . What is the probability that it takes more than 2 minutes to service a customer at the drive - through lane ?" 6 . What percent of customers at the drive- through lane will take between 1 to 2 minutes to service

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