Customers walk into a bank and are served at an average rate of 40 per hour. On average there are 15 people waiting in queue to be served. How long does the average customer wait in queue? Please use little’s law concept I=R*T
Expert Answer
Average number of people waiting in queue (I) = 15
Average number of customers arriving(R) = 40 per hour
Average time spent waiting in queue = T
According to the little’s law,
I = R x T
=> 15 = 40 x T
=> T = 15/40
=> T = 0.375 hours = 22.5 minutes
So the Average customer wait in queue
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