Which of the Following Is Not an Assumption in Common

Multiple Choice

Which of the following is not an assumption in common queuing mathematical models?

A) Arrivals come from an infinite,or very large,population.
B) Arrivals are Poisson distributed.
C) Arrivals are treated on a first-in,first-out basis and do not balk or renege.
D) Service rates follow the normal distribution.
E) The average service rate is faster than the average arrival rate.