Car Wash will wash a car in exponential amount of time with mean 10 minutes. Arrivals occur as a Poisson process with rate 5 per hour. a) What is percent of the time the car wash is idle? b) On the average how many cars are in the system? c) On the average how many cars are waiting in line? d) On the average how long does a car spends in the system? e) What fraction of times there are more than 3 cars in the system? f) What is the probability that a car spends more than 30 minutes in the system?

Car Wash will wash a car in exponential amount of time with mean 10 minutes. Arrivals occur as a Poisson process with rate 5 per hour. a) What is percent of the time the car wash is idle? b) On the average how many cars are in the system? c) On the average how many cars are waiting in line? d) On the average how long does a car spends in the system? e) What fraction of times there are more than 3 cars in the system? f) What is the probability that a car spends more than 30 minutes in the system?

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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