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e) The activity variance along the critical path is|weeks. (Round your response to two decimal places.)

e) The activity variance along the critical path is|weeks. (Round your response to two decimal places.)

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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please answer part e

Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Time (weeks) Immediate Time (weeks) Immediate Activity b Predecessor(s) Activity b Predecessor(s) a m a m A 4 12 G 3 3 4 C, E В 2 23 A H 2 8 12 16 A 5 F D, G, H I, J 4 10 A J 4 7 14 E 1 3 4 B K 3 3 4 F 6 9 21 С, Е a) The expected (estimated) time for activity C is 12 weeks. (Round your response to two decimal places.) b) The variance for activity C is 1.78 weeks. (Round your response to two decimal places.) c) Based on the calculation of the estimated times, the critical path is A-B - E -F- H - J - K. d) The estimated time for the critical path is 43.85 weeks. (Round your response to two decimal places.) e) The activity variance along the critical path is | weeks. (Round your response to two decimal places.)
Transcribed Image Text:Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Time (weeks) Immediate Time (weeks) Immediate Activity b Predecessor(s) Activity b Predecessor(s) a m a m A 4 12 G 3 3 4 C, E В 2 23 A H 2 8 12 16 A 5 F D, G, H I, J 4 10 A J 4 7 14 E 1 3 4 B K 3 3 4 F 6 9 21 С, Е a) The expected (estimated) time for activity C is 12 weeks. (Round your response to two decimal places.) b) The variance for activity C is 1.78 weeks. (Round your response to two decimal places.) c) Based on the calculation of the estimated times, the critical path is A-B - E -F- H - J - K. d) The estimated time for the critical path is 43.85 weeks. (Round your response to two decimal places.) e) The activity variance along the critical path is | weeks. (Round your response to two decimal places.)
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