Answer the following questions. Draw the state transition rate diagram for this queueing system. Express all rates as rates per minute. These machines require attention only when an exception occurs. Exceptions include tool changes and machine failures.
Parts arrive to the shop.
The interarrival times are randomly distributed. However, if no machines are idle, the arriving part leaves without being serviced. An idle machine becomes busy when a part arrives. The processing time is randomly distributed. After processing, parts leave the shop.