Business, 01.07.2020 15:01 ImmortalEnigmaYT

Gubser Welding operates a welding repair shop. Assume that the arrival of jobs follows a Poisson arrival process with an average of 2 jobs in an 7 hour day. The time required to complete a job follows a normal distribution with mean time of 2.5 hours and standard deviation of 4 minutes. Assume 1 welder completes the jobs. 1. What is the mean arrival rate in jobs per hour? Round your answer to four decimal places.
2. What is the mean service rate in jobs per hour? Round your answer to four decimal places.
3. What is the average number of jobs waiting for service? Round your answer to three decimal places.
4. What is the average time a job waits before the welder can begin working on it? Round your answer to one decimal place.
5. What is the average number of hours between when a job is received and when it is completed? Round your answer to one decimal place.
6. What percentage of the time is Gubser's welder busy? Round your answer to the nearest whole number.
% of the time the welder is busy.

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Gubser Welding operates a welding repair shop. Assume that the arrival of jobs follows a Poisson arr...

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