A service station has three servers indexed 1 2 and 3 When a

A service station has three servers, indexed! 1. 2. and 3. When a customer arrives, he is assigned to the idle server with the lowest index. If all servers are busy. the customer goes away. The service limes at server i are Exp(mu_i, ) random variables. (Different mu\'s represent different speeds of the servers.)The customers arrive according to a PP(A). Model this system as a CTMC.