1. Which of the following would be MOST LIKELY likely to follow a Poisson arrival process:

a. the chiming of a coo-coo clock during a day

b. the timing of commercials during a two-hour movie on CBC television

c. the sighting of gulls flying over the MacEwan campus on a summer day

d. all of the above would follow a Poisson arrival process

2. With a single-server model, increasing the service rate while holding all other factors constant will:

a. all of these answers are true

b. increase the probability that the system is empty

c. increase the utilization of the server

d. decrease the arrival rate of customers

e. increase the time spent in the system per customer

3. More companies are selling their goods on an "open account" basis because

1- countries are providing more export subsidies

2- the nationalization of Compagnie Francaise d'Assurance pour le Commerce Exterieur has allowed more policies to be issued

3- the World Trade Organization is now encouraging the practice

4- countries have implemented quotas for exporters

5- it is possible to purchase credit insurance to cover the risk of non-payment