Question
An average of 26 clients come in a Poisson process to a car repair shop in a 12 hour workday. 80% of them need an
An average of 26 clients come in a Poisson process to a car repair shop in a 12 hour workday. 80% of them need an oil change that takes exactly half an hour. One mechanic is doing all the oil changes. The rest of the clients come for a major repair that takes an average of 6 hours and is exponentially distributed. There are 4 mechanics doing these repairs. Enter the answers in the MMk tab.
a. How many hours it takes from the moment a car comes for an oil change until they can pick it up?
b. How many hours it takes from the moment a car comes for a major repair until they can pick it up?
c. How many cars are expected to be in the shop at any giventime?
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