in a waiting line system, there is only one server. Customer arrivals follow Poisson distribution with mean inter-arrival time 5 minutes. Service time follow exponential distribution and a server can serve 15 customers per hour on average. What is the average waiting time?

Question 2 options:

a)

2 min

b)

none of the answer

c)

20 min

d)

30 min

e)

16 min

in a waiting line system, there is only one server. Customer arrivals follow Poisson distribution with mean inter-arrival time 5 minutes. Service time follow exponential distribution and a server can serve 15 customers per hour on average. What is the average waiting time? Question 2 options: a) 2 min b) none of the answer c) 20 min d) 30 min e) 16 min