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Unformatted text preview: Name______________________________ IE 305/404 Exam 1 * Spring 2007 * Sinclair Auditorium * 9:10 to 10:00 * Feb 21 Instructions 1. There are 4 questions, point values of each are shown, 100 total points. 2. Open book, open notes 3. You must show all relevant work to receive credit Question 1 (24 points) Customers arrive to a single server with Exponential interarrival times with mean one minute. The first customer is assumed to arrive at time 0.0. The server takes exactly 0.9 minutes to serve each customer. Below are exponential(=1 minute) random deviates for use in the simulation to model inter-arrival times. 0.43, 0.8, 0.56, 2.74, 0.56, 0.81, 0.17, 0.65, 0.19, 2.15 Conduct a hand simulation for 5 (simulated) minutes then answer the questions below. You may use the template on the next page if you want to, but you do not have to. No partial credit on this problem. You do not need to show work. Just provide the numerical answers. a) At time 5, how many customers are in the system? (This will not include an entity waiting to arrive at a CREATE) b) What is the average time in queue for customers? c) What is the average number of customers in the system? T= T= Future Events List Current Events List Future Events List Current Events List Entity Block Move time Entity Block Entity Block Move time Entity Block T= T= Future Events List Current Events List Future Events List Current Events List Entity Block Move time Entity Block Entity Block Move time Entity Block T= T= Future Events List...
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This note was uploaded on 04/26/2009 for the course IE 305 taught by Professor Storer during the Spring '08 term at Lehigh University .
- Spring '08