If for a single server poisson arrival and exponential service time, the arrival rate is 12 per hour. Which one of the following service rates will provide a steady state finite queue length?

If for a single server poisson arrival and exponential service time, t

1.	If for a single server poisson arrival and exponential service time, the arrival rate is 12 per hour. Which one of the following service rates will provide a steady state finite queue length?
A.	6 per hour
B.	10 per hour
C.	12 per hour
D.	24 per hour
Answer» E.