Mathematics, 23.12.2019 22:31, cutegirl0987

Speedy oil provides a single-channel automobile oil change and lubrication service. customers provide an arrival rate of 2.5 cars per hour. the service rate is 5 cars per hour. assume arrivals follow poisson probability distribution and that service times follow an exponential probability distribution. a. what is the average number of cars in the system? b. what is the average time that a car waits for the oil and lubrication service to begin? c. what is the average time a car spends in the system? d. what is the probability that an arrival has to wait for service?

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Speedy oil provides a single-channel automobile oil change and lubrication service. customers provid...