The Riverton Post Office has four stations for service. Customers line up in single file for service on a FIFO basis. The mean arrival rate is 40 per hour. Poisson Distributed, and the mean service time per service is 4 minutes. exponentially distributed. Question 1 {10 points] J Saved Which type of queuing problem is this? 0 Finite Population 0 Undefined Service Rate 0 Simple Single Server Multi-Server O Constant Service Rate 0 Finite Queue