42. What is this month forecasting special maching with wlpha 2. if Augusts forecast was 145 A 144 B.140 C. 142 D.148 E 163 Lise the following information to 7.9 Yes the manager wall Berg Plass. You we trying to your service levels at the drive-is window piven the following information Customers arrive at the need is per hour The employee customer every 3 minutes and exponentials 47. What is the average utilisation of the employee A. 72.00 C. 2014 13. A single channel quouing system has an avenge service time of six minutes and an average time between anival of minutes. The rival Aber her B. 75 per hour C. prout D. per hour L. 12.5 per hoc 44. A single hay car wash with a Poisson read on exponential service time has wings were af 12 esperan price time of them. The system ini A.6.20 H. 040 C.0.30 10.15 10.12 E. 30.0% 48. What is the average number of customers in line A 10 customers IT rusmes C 280 cmers D. 667 E 225 45. Atherefore instructing prais was per hour. What is the verge orice ger B5 C. is 17 minutes E 50. What is the probability that cuactly 3 cars will be in the system? C033 hours 00:25 E Nose of the 16. the halforsawwe is Strucs por how, what is the wengtime between C 0.29722 0005412 E 0.22231 D. The Lothe bowe OMINN - S2000 Whem forecasting experi moothing with pha 2, Aug forecast was 1457 A 144 10 C.10 Use the lening Informatie te 7.50 You are the manager la bocal Turper Place You we trying to your service levels the drive-in window the following information Customers arrive the wef 15 per how. The employee casserver every 3 minutes. Asume Poio despois 4. What is the verge won of the employee c. 10:29 D0 E0% E11 13. Aingle changeuing system has an age wervice time of six minutes walan meme time between hals of Ahow B.1.3 perhet C. per how D. 10 per how E. 123 per 44. A single by car wash with an areas an expertiservice time has casting an average of 12 in part, and service time of three minute. The system ini A 0.30 10.40 C. DO 1.0.12 45. Am the world for a quo in tucking portion is works per hour. What is the wengi wrvice time A. 2 hours Automer B417 custom C. 2 customers D. 667 E 2.33 owers A 5 mins Cites D. 13 minutes E 30 30. What is the probability that cay cans will be in the A. 0.10541 08192 C029722 D 0.05492 C033 h D. 0.25 hours Le of the 6. If there for tracks wwwho is trucks per hout, what the average time between the C. 1 hours D. 2 hour L. Non of the bone 42. What is this month's forecast using exponential smoothing with alpha = 2, if August's forecast was 145? A. 144 B. 140 C. 142 D. 148 E. 163 43. A single channel queuing system has an average service time of six minutes and an average time between arrivals of 8 minutes. The arrival rate is: A. 6 per hour B. 7.5 per hour C. 8 per hour D. 10 per hour E. 12.5 per hour 44. A single bay car wash with a Poisson arrival rate and an exponential service time has cars arriving an average of 12 minutes apart, and an average service time of three minutes. The system utilization is: A. 0.20 B. 0.40 C. 0.30 D. 0.25 E. 0.12 45. Assume the service rate for a queue in a truck-loading operation is 3 trucks per hour. What is the average service time for a single truck? A. 2 hours B. 1 hour C. 0.33 hours D. 0.25 hours E. None of the above 46. If the arrival rate for trucks at a warehouse is 5 trucks per hour, what is the average time between arrivals? A. 4 hours B. 0.5 hours C. 0.1 hours D. 0.2 hours E. None of the above Use the following information to answer questions 47-50: You are the manager at a local Burger Place. You are trying to evaluate your service levels at the drive-in window given the following information. Customers arrive at the rate of 15 per hour. The employee can serve one customer every 3 minutes. Assume Poisson arrival and exponential service rates. 47. What is the average utilization of the employee? A. 72.4% B. 75.0% C. 70.2% D. 78.0% E. 80.0% 48. What is the average number of customers in line? A. 3.20 customers B 4.17 customers C. 2.80 customers D. 6.67 customers E. 2.25 customers 49. What is the average waiting time in line? A. 3 minutes B. 5 minutes C. 9 minutes D. 12 minutes E. 20 minutes 50. What is the probability that exactly 3 cars will be in the system? A. 0.10547 B 0.08192 C. 0.29722 D. 0.05492 E 0.22231 The owner of Darkest Tans Unlimited in a local mall is forecasting this month's (October's) demand for the one new tanning booth based on the following historical data: MONTH NUMBER OF TANNERS April 100 May 140 June 110 July 150 August 120 September 160