In a manufacturing cell, one repairman has to maintain four machines. For the machines, the time between breakdowns is exponentially distributed with an average of four hours. On the average, it takes half an hour to fix a machine. 

1. Find the probabilities that there are 0, 1, 2, 3, or 4 machines in the shop for repair including the one being worked on and those waiting.

2. Find the average number of machines in the shop for repair including the one being worked on and those waiting.

Answer rating: 100% (QA)

Answer i We need to apply Littles law based queuing theory model here for MM1 ii Arrival rate lambda ... View the full answer