Consider the three versions of a similar problem. Compute the Factory Measures CTs$,$ THs$,$ WIPs and, of course, Util.The mean arrival rate lam $=9\mathrm{.}5$ jobs$/$hr$.$There are two identical servers, each with mean service rate mu $=10$ jobs$/$hr$.$Problem $1$: The system is M$/$M$/2$ Problem $2$: The system is E$2/$M$/2$ Problem $3$: The system is E$2/$G$/2$ with $25/2$ CS