Question: Cars arrives at a quick service cars arrives at a quick service garage as a poisson process with a mean of 10 minutes.there are two bays at the garage,each with its own mechanic.crs receive one of three services.tyre charge 50%,replace exhuast 30% and replace brakes 20%.these services take on average 15 minutes,12 minutes and 20 minutes respectively. you can assume each service time is erlang distributed k=3 .simulate for number of eight-hour days so you can answer,what is the average waiting time for each of the service types separately?