1. Define, in a practical sense, what is meant by an exponential service time.
2. Would you expect the exponential distribution to be a good approximation of service times for

Buying an airline ticket at the airport?

Riding a merry-go-round at a carnival?

Checking out of a hotel?

Completing a midterm exam in your OM class?

3. Would you expect the Poisson distribution to be a good approximation of

Runners crossing the finish line in the Boston Marathon?

Arrival times of the student in your OM class?

Arrival times of the bus to you stop at school?

4. Which assumptions are necessary to employ the formulas given for Model 1?