multiple choice

A Florida coastal community experiences a population increase during the winter months with seasonal residents arriving from northern states and Canada. The post office counter has three work stations. The service rate of each postal clerk is 0.75 customer per minute. The anticipated arrival rate is 1.2 customers per minute. Assume that customer arrivals follow a Poisson probability distribution, with an arrival and that service times follow an exponential probability distribution.

Determine the probability that no customers are in the system

a.)35/187 b.) 1024/3927 c.) 2048/6545 d.)256/935

Determine the average number of customers waiting

a.) 35/187 b.) 1024/3927 c.) 2048/6545 d.)256/935

Determine the average number of customers in the system

a.) 0.2737 b.) 0.2608 c.) 0.1942 d.) 1.9129

Determine the average time a customer spends waiting

a.) 0.2737 b.) 0.2608 c.) 0.1942 d.) 1.9129

Determine the average time a customer spends in the system

a.) 0.2737 b.) 1.5941 c.) 0.1942 d.) 1.9129

Determine the probability that arriving customers will have to wait for service

a.) 0.2737 b.) 1.5941 c.) 0.1942 d.) 1.9129