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At a Local Fast Food Joint, Cars Arrive Randomly at a Rate

Question 18

Multiple Choice

At a local fast food joint, cars arrive randomly at a rate of 12 every 30 minutes.Service times are random (exponential) and average 2 minutes per arrival.The average time in the queue for each arrival is


A) 2 minutes.
B) 4 minutes.
C) 6 minutes.
D) 8 minutes.

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