For a M/M/I/∞/∞/FCFS queue model, the mean arrival rate is equal to 10 per hour and the mean service rate is 15 per hour. The expected queue length is

For a M/M/I/∞/∞/FCFS queue model, the mean arrival rate is equal t

1.	For a M/M/I/∞/∞/FCFS queue model, the mean arrival rate is equal to 10 per hour and the mean service rate is 15 per hour. The expected queue length is
A.	1.33
B.	1.53
C.	2.75
D.	3.20
Answer» B. 1.53