Priority :Average Arrival Rate (Exponential Interarrival Times)

Multiple Choice

Priority :Average Arrival Rate (exponential interarrival times)
High : 3 per hour
Low : 5 per hour
Number of servers: 5
Service rate: 2 per hour (exponential service times)
-What is the average number of low priority items waiting in line for service?

A) 0
B) 0 24
C) 1 74
D) 1 98
E) 2 22