Calculate the total time waiting in the queue

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Reference no: EM132300674

Trucks are required to pass through a weighing station so that they can be checked for weight violations. Trucks arrive at the station at the rate of 40 an hour between 7:00 p.m. and 9:00 p.m. Currently two inspectors are on duty during those hours, each of whom can inspect 25 trucks an hour

a) Calculate the total time waiting in the queue (in hours).

b) What is the probability that an arrival will have to wait for service?

Reference no: EM132300674

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