Answer:
Explanation:
Arrival rate = 40 people per minute
Service rate = 5 seconds per person = 12 people per minute
b) Customer Inflow (Arrival) Rate (Ri)
Ri = Arrival Rate = 40 per minute
Inter arrival Time = 1 / Ri = 1 / 40 minutes
c) Total Processing Rate (Capacity) (Rp)
Processing Time = Tp = 5 seconds =
5/60 minutes
= 1/12 minutes
Processing Rate = Rp = 1 / Tp = 1 / (1/12) = 12 customers per minute
Server utilization = Throughput Rate R / Rp
Chi = Lambda / Miu ( must be < 1 )
Ls = Chi / (1-Chi)
Lq = Ls - Chi
Ws = Ls / Lambda
Wq = Lq / Lambda
Buffer capacity K = 50