Virginia's Ron McPherson Electronics Corporation retains a service crew to repair machine breakdowns that occur on an average of λ​= 2 per​ 8-hour workday​ (approximately Poisson in​ nature). The crew...

Virginia's Ron McPherson Electronics Corporation retains a service crew to repair machine breakdowns that occur on an average of λ​= 2 per​ 8-hour workday​ (approximately Poisson in​ nature). The crew can service an average of μ ​= 10 machines per​ workday, with a repair time distribution that resembles the negative exponential distribution. The utilization rate of this service system​ =
​(round your response to two decimal​ places).