Consider a Single-Server Queuing System (With Poisson Arrivals and Exponential

Multiple Choice

Consider a single-server queuing system (with Poisson arrivals and exponential service times) . If the arrival rate is 30 units per hour, and each customer takes 30 seconds on average to be served, what is the average length of the line?

A) 1.03
B) 1.03
C) 0.166
D) 0.333
E) 0.083