You are the manager of a local bank where three tellers provide services to customers. On average, each teller takes three minutes to serve a customer. Customers arrive, on average, at a rate of 41 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= 0.6833 . (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 = 0.1032 . (Enter your response rounded to four decimal places.) c. The average number of customers waiting in line is Lo = 1.0 customers. (Enter your response rounded to one decimal place.) d. On average, a customer waits W.= hours in line before being served. (Enter your response rounded to four decimal places.)