D Question 12 2 pts Customers arrive at a laundromat at the rate of 12 per hour (Poisson distributed). They wait for service in one line and get served in a first-come-first-served order. The laundromat has one server to deal with customers. Think of the laundromat as a queueing system. For this system here are some results: Wq: Expected time in queue: 0.2667 hours W: Expected total time in system: 0.3333 hours Probability that a customer waits: 0.80 The average time taken to serve one customer is (within rounding): 4 minutes 5 minutes 6 minutes 3 minutes