Virginia’s Ron McPherson Electronics Corporation retains a service crew to repair machine breakdowns that occur on average l = 3 per 8-hour workday (approximately Poisson in nature). The crew can service an average of m = 8 machines per workday, with a repair time distribution that resembles the negative exponential distribution.
a) What is the utilization rate of this service system?
b) What is the average downtime for a broken machine?
c) How many machines are waiting to be serviced at any given time?
d) What is the probability that more than 1 machine is in the system? The probability that more than 2 are broken and waiting to be repaired or being serviced? More than 3? More than 4?

Orange corporation issued 20-year, noncallable, 7.5% annual coupon bonds at their par value of $1,000 one year ago. today, the market interest rate on these bonds is 5.5%. what is the current price of the bonds, given that they now have 19 years to maturity?

Juan has a retail business selling skateboard supplies he maintains large stockpiles of every item he sells in a warehouse on the outskirts of town he keeps finding that he has to reorder certain supplies all the time but others only once a year how can he solve this problem?

Fanning books buys books and magazines directly from publishers and distributes them to grocery stores. the wholesaler expects to purchase the following inventory: april may june required purchases (on account) $ 111,000 $ 131,000 $ 143,000 fanning books accountant prepared the following schedule of cash payments for inventory purchases. fanning books suppliers require that 85 percent of purchases on account be paid in the month of purchase; the remaining 15 percent are paid in the month following the month of purchase. required complete the schedule of cash payments for inventory purchases by filling in the missing amounts. determine the amount of accounts payable the company will report on its pro forma balance sheet at the end of the second quarter.