Question: I will also need the average wait for a customer and on average how many customers would be at a teller's station and in line?

I will also need the average wait for a customer and on average how many customers would be at a teller's station and in line? Thank you!

You are the manager of a local bank where three tellers provide services to customers. On average, each teller takes four minutes to serve a customer. Customers arrive, on average, at a rate of 40 per hour. Having recently received complaints from some customers that they waited a long time before being served, your boss asks you to evaluate the service system. Specifically, you must provide answers to the following questions: a. The average utilization of the three-teller service system is p= 0.8889 . (Enter your response rounded to four decimal places.) b. The probability that no customers are being served by a teller or are waiting in line is Po= 0.0280 . (Enter your response rounded to four decimal places.) = . c. The average number of customers waiting in line is Lg customers. (Enter your response rounded to one decimal place.)

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