Sharp Discounts Wholesale club has two service desks, one at each entrance of the store. Customers arrive at each service desk at an average of one every six minutes. The service rate at each service desk is four minutes per customer. What percentage of time is each service desk idle?
What is the probability that both desks are busy? Idle? How many customers, on average, are waiting in line? How much time does a customer spend at the service desk? (waiting plus service time). Should Sharp Discounts consolidate its two service desks?