It decreases proportionally. It decreases exponentially. A single channel queuing system has an average service time of eight minutes and an average time between arrivals of 10 minutes. 12.5 per hour 7. Customers move through the system in less time because utilization is increased.
Customers move through the system more slowly because utilization is increased.
The average number in the system decreases. None of the above will occur. All will increase the system utilization. A single bay car wash with a Poisson arrival rate and an exponential service time has cars arriving an average of 10 minutes apart, and an average service time of four minutes. A multiple channel queuing system with a Poisson arrival rate and exponential service time has an average arrival rate of 4 customers per hour and an average service time of 18 minutes per customer.