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 system utilization factor?

A) 0 45
B) 0 50
C) 0 55
D) 0 65
E) 0 80