Question: A dry cleaner has a single drive-thru window for customers. The car arrival rate follows a Poisson distribution, while the service time follows an exponential

A dry cleaner has a single drive-thru window for customers. The car arrival rate follows a Poisson distribution, while the service time follows an exponential distribution. The average arrival rate is 16 per hour and the average service time is three minutes. If the dry cleaner wants to accommodate (have enough space for) all the cars that wait at least 96 percent of the time, how many car lengths must they travel to get to the window?

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