Virginia's Ron McPherson Electronics Corporation retains a service crew to repair machine breakdowns that occur on an average of =3 per 8-hour workday (approximately Poisson in nature). The crew can service an average of =8

machines per workday, with a repair time distribution that resembles the negative exponential distribution.

ANSWER QUESTIONS D-G

a) The utilization rate of this service system =0.38

b) The average downtime for a broken machine =0.20 days

c) The average number of machines waiting to receive service at any given time =0.225 machines

d) The probability that there is more than one machine that is in the system= (round your response to three decimalplaces).

e) The probability that there are more than two machines that are in the system= (round your response to three decimalplaces).

f) The probability that there are more than three machines that are in the system= (round your response to three decimalplaces).

g)The probability that there are more than four machines that are in the system= (round your response to three decimalplaces).