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 placos.) c. The average number o customers waiting in line is Lq= customers. Enter your response rounded o one de m a place.