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2. An advertising project manager developed the network diagram shown in Figure below for a new advertising campaign. In addition, the manager gathered the time information for each activity, as shown in the table. Finish Start G TIME ESTIMATES (WEEKS) TTTTT Activity Optimistic Most Likely Pessimistic Immediate Predecessor(s) A 1 4 7 2 7 - C 3 13 14 A E 3 12 A, C F 6 16 B 1 5 6 E, F a. Calculate the expected time and variance for each activity. b. Calculate the activity slacks and determine the critical path, using the expected activity times. c. What is the probability of completing the project within 23 weeks? Use the Normal Distribution Table provided in the Module.

2. An advertising project manager developed the network diagram shown in Figure below for a new advertising campaign. In addition, the manager gathered the time information for each activity, as shown in the table. Finish Start G TIME ESTIMATES (WEEKS) TTTTT Activity Optimistic Most Likely Pessimistic Immediate Predecessor(s) A 1 4 7 2 7 - C 3 13 14 A E 3 12 A, C F 6 16 B 1 5 6 E, F a. Calculate the expected time and variance for each activity. b. Calculate the activity slacks and determine the critical path, using the expected activity times. c. What is the probability of completing the project within 23 weeks? Use the Normal Distribution Table provided in the Module.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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2. An advertising project manager developed the network diagram shown in Figure below for a new advertising campaign. In addition, the manager gathered the time information for each activity, as shown in the table. Finish Start B TIME ESTIMATES (WEEKS) Activity Optimistic Most Likely Pessimistic Immediate Predecessor(s) A 1 4 7 В 2 6. 7 C 3 B D 6 13 14 A E 3. 12 A, C F 6. 8 16 G 1 E, F a. Calculate the expected time and variance for each activity. b. Calculate the activity slacks and determine the critical path, using the expected activity times. c. What is the probability of completing the project within 23 weeks? Use the Normal Distribution Table provided in the Module.
Transcribed Image Text:2. An advertising project manager developed the network diagram shown in Figure below for a new advertising campaign. In addition, the manager gathered the time information for each activity, as shown in the table. Finish Start B TIME ESTIMATES (WEEKS) Activity Optimistic Most Likely Pessimistic Immediate Predecessor(s) A 1 4 7 В 2 6. 7 C 3 B D 6 13 14 A E 3. 12 A, C F 6. 8 16 G 1 E, F a. Calculate the expected time and variance for each activity. b. Calculate the activity slacks and determine the critical path, using the expected activity times. c. What is the probability of completing the project within 23 weeks? Use the Normal Distribution Table provided in the Module.
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