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Automobiles arrive at a drive through window at a post office at the rate of 4 every 10 mins. The average service time is 2 mins. The poisson distribution is appropriate for the arrival rate and service times are exponentially distributed.
A. what is the average time a car is in the system
B. What is the average # of cars in the system
C. what is the average # of cars in the system behind the customers recieving service
D. what is the % of time that the postal clerk is busy
E. what is the probability of 2 or more customers in the system

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Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M9371004

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