ork: Chapter D

Question $4,$ Problem D$.8$

HW Score: $78\mathrm{.}57\%,3\mathrm{.}14$ of $4$ points

Part $1$ of $7$

Points: $0\mathrm{.}14$ of $1$

Virginia's Ron McPherson Electronics Corporation retains a service crew to repair machine breakdowns that occur on an average of $=4$ per $8-$hour workday $($approximately Poisson in nature$).$ The crew can service an average of $=10$ machines per workday, with a repair time distribution that resembles the negative exponential distribution.

a$)$ The utilization rate of this service system $=($round your response to two decimal places$).$