URGENT HELP PLEASE Answer all please

Exhibit. The Super Discount store (open 24 hours a day, every day (365 days) sells 8 packs of paper towels, at the rate of approximately 350 packs per week. Because the towels are so bulky, the annual cost to carry them in inventory is estimated at $10. The cost to place an order for more is $48, and it takes five days for an order to arrive. What is the total cost? a) 1045 b) 3760 c) 2090 d) 9360 e) 4180 A company has average demand of 30 units per day. Lead time from the supplier averages seven days. Assume that the combined standard deviation of demand during lead time has been calculated and is equal to 50 units. One unit costs $50 and the inventory carrying cost is 20 percent. 1 standard deviation covers 84.13% 1.04 standard deviations covers 85% 1.28 standard deviations covers 90% 1.65 standard deviations covers 95% 1.96 standard deviations covers 97.5% 2 standard deviations covers 97.72% 2.33 standard deviations covers 99% 3 standard deviations covers 99.86% 6 standard deviations covers 99.99966% Suppose management willing to experience a stockout probability of 10 percent Suppose management willing to experience a stockout probability of 10 persent during the order cycle. What is the annual cost of this safety stock policy? a) 120 b) 3200 c) 160 d) 128 e) 640 Customers arrive at a carwash with on average once every 75 minutes with a standard deviation of 15 minutes. It seems likely that customer arrivals follow an normal distribution. In a simulation, what formula would you use to estimate how long it will be until the next arrival occurs? a) = NORM.INVRAND( ),75,15) b) =15LN(RAND()) c) None of these are correct d) =75+(7515)RAND() e)=NORM.INVRAND(),15,5) Question 45 (5 points) Which one is INCORRECT about simulation? a) Simulation is an optimization technique. b) Simulation is a method that uses repeated random sampling of values in order to represent uncertainty in a model that represents a real system and computes the values of model outputs. c) Simulation is a trial-and-error approach to problem solving. d) Trials of a simulation show what would happen when values of the probabilistic input change