Q. Since the deregulation of the airline industry, fierce competition has forced Global Airlines to re-examine their operations for efficiency also economy. As part of their campaign to improve customer service, they have focused on passenger check-in operations at the terminal. Global operates a common check-in system wherein passengers for all Global flights line up in a single "snake line." The arrival rate is estimated to be 52 passengers per hour. The check-in process takes an average of 3 minutes. Agents are paid $20 an hour. The customer relations department estimates which every minute a customer spends waiting in line to be checked in, it costs Global $1 due to missed flights, customers' dissatisfaction also loss of future business. Suppose which inter arrival also service times are exponentially distributed. Use Exhibit_7.12.

A. describe how many agents should Global staff?