311Midterm_II_Spring2008

311Midterm_II_Spring2008 - Name_ Student ID_ Section_...

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1 Name______________________________ Student ID______________________________ Section_____________________________ BUAD-311 Operations Management Mid-term Exam II Spring 2008 Open Book, Open Notes, No Lap Tops State all your assumptions clearly Make sure that you have 9 pages (Including the cover page) Good Luck
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2 Section A: Multiple Choices [2 points each] 1. You observe that sales are following a gradual upwards trend. Which of the following statements is true: I. Moving average with large period generates better forecast than the one with small period II. Moving average with small period generates better forecast than the one with large period III. Exponential smoothing with large alpha generates better forecast than exponential smoothing with small alpha IV. Exponential smoothing with small alpha generates better forecast than exponential smoothing with large alpha a) I and IV b) II and IV c) I and III d) II and III e) None of the above 2. Consider a M/M/1 queue with an arrival rate of 4 customers per hour, an average service time of 12 minutes. What is the percentage of time an arriving customer does not have to wait? a) 33.33% b) 80.00% c) 66.66% d) An arriving customer always has to wait. e) None of the above 3. Revenue management can involve all of the following tools we have studied except: a) Linear programming b) Double exponential smoothing c) M/M/1 queues d) Decision Trees e) All of the above can be used 4. When implementing a revenue management system, a company must consider which of the following trade-offs: a) Spoilage vs. denied boarding b) Spoilage vs. cannibalization c) Cost of implementing the system vs. revenue generated. d) All of the above e) None of the above
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3 5. Which of the following principles of waiting are often related: I. Unoccupied time feels longer than occupied time. II.
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This note was uploaded on 03/31/2009 for the course BUAD 311 taught by Professor Vaitsos during the Fall '07 term at USC.

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311Midterm_II_Spring2008 - Name_ Student ID_ Section_...

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