The reference desk of a university brary receives requests for assistance. Assume that a Poisson probability distributio
Posted: Wed Jul 06, 2022 5:55 am
The reference desk of a university brary receives requests for assistance. Assume that a Poisson probability distribution with an aval rate of 12 requests per hour can be used to describe the arrival patter and that service times follow an exponential probability distribution with a service rate of 14 requests per hour (Round your answers to four decimal places) (a) What is the probability that no requests for assistance are in the system? (b) What is the average number of requests that will be waiting for service? (c) What is the average waiting time in hours) before service begins? (d) What is the average time in hours at the reference desk (wating teve phas service tw? (e) What is the probability that a new arrival as to wait for service? Need Help? Read