L

(a) Explain your understanding of the relationship between the arrival rate Aand the average interarrival time. What are the units describing each variable?

(b) In each of the following cases, detennine the average arrival rate per hour, A, and the average interarrival time in hours.

*(i) One arrival occurs every 10 minutes.

(ii) Two arrivals occur every 6 minutes.

(iii) Number of arrivals in a 30-minute period is 10.

(iv) The average interval between successive arrivals is .5 hour.