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San Diego State University Operations And Supply Chain Management Assignment Help - Mean

Question - From historical data, Harry's Car Wash estimates that dirty cars arrive at the rate of 10 per hour all
day Saturday. W ith a crew working the wash line, Harry figures that cars can be cleaned at the rate of
one every 5 minutes. One car at a time is cleaned in this example of a single-channel waiting line.
Assuming Poisson arrivals and exponential service times, find the
(a) Average number of cars in line.
(b) Average time a car waits before it is washed.
(c) Average time a car spends in the service system.
(d) Utilization rate of the car wash.
(e) Probability that no cars are in the system.

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