Mid-term Exam (2002) - EMGT 501 Mid-Term Exam Due Day: Oct...

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EMGT 501 Mid-Term Exam Due Day: Oct 23- Midnight
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1. PERT/CPM: You and several friends are about to prepare a lasagna dinner. The tasks to be performed, their immediate predecessors, and their estimated durations are as follows: Tasks that Task Task Description Must Precede Time A Buy the mozzarella cheese* 25 minutes B Slice the mozzarella A, C 15 minutes C Beat 2 eggs 10 minutes D Mix eggs and ricotta cheese C 13 minutes E Cut up onions and mushrooms 10 minutes F Cook the tomato sauce E, G 25 minutes G Boil large quantity of water 15 minutes H Boil the lasagna noodles G , K 10 minutes I Drain the lasagna noodles D, F,H 12 minutes J Assemble all the ingredients I, F, D, B 10 minutes K Preheat the oven 15 minutes L Bake the lasagna J, I, K 20 minutes
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(a) Construct the project network for preparing this dinner. (b) Which of these paths is a critical path? (c) Find the earliest start time and earliest finish time for each activity. (d) Find the latest start time and latest finish time for each activity. (e) Find the slack for each activity. Which of the paths is a critical path? (f) Because of a phone call, you were interrupted for 10 minutes when you should have been cutting the onions and mushrooms. By how much will the dinner be delayed? If you use your food processor, which reduces the cutting time from 10 to 7 minutes, will the dinner still be delayed?
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2. Develop a case study regarding how to use PERT/CPM for your work. (a) Describe your case, focusing upon your managerial issue. (b) Solve your case study. (c) Make your recommendation based upon your solution. Requirement: (a) Optimistic, Most Likely, Pessimistic Times should be used in your problem solving. (b) Include the probability estimation of the project completion time in your case study.
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3. Consider a decisional case of a Mutual Funds, Inc, located in Socorro (NM). The firm has just obtained $100,000 by
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Mid-term Exam (2002) - EMGT 501 Mid-Term Exam Due Day: Oct...

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