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The network diagram below (activity on arrow) shows the activities needed to complete a project to tclose a seasonal resort after the summer season. The activities are listed as well as the time (in days) it will take to complete them. Note that the three times for each activity are displayed in the following order in the parentheses: optimistic, most likely, pessimistic. This reflects the underlying uncertainty in the activity times, and thus a probabilistic model is used. Use this information to find the expected time for each activity, as well as for each path. Also, calculate the standard deviation for each path (Please do this in Excel). Identify the critical path. Finally, discuss which path has the most uncertain completion time. Winterize Repair Pipes (1, 3, 7) Plumbing (2, 3, 8) Insulate Seal Windows (3, 4, 6) (4, 5, 7) 1 7 Reseal Pool Drain 4 (3, 4, 5) Swimming Pool Clean Pool Treat Pool (1, 2, 3) (1, 3, 4) (1, 4, 5)

The network diagram below (activity on arrow) shows the activities needed to complete a project to tclose a seasonal resort after the summer season. The activities are listed as well as the time (in days) it will take to complete them. Note that the three times for each activity are displayed in the following order in the parentheses: optimistic, most likely, pessimistic. This reflects the underlying uncertainty in the activity times, and thus a probabilistic model is used. Use this information to find the expected time for each activity, as well as for each path. Also, calculate the standard deviation for each path (Please do this in Excel). Identify the critical path. Finally, discuss which path has the most uncertain completion time. Winterize Repair Pipes (1, 3, 7) Plumbing (2, 3, 8) Insulate Seal Windows (3, 4, 6) (4, 5, 7) 1 7 Reseal Pool Drain 4 (3, 4, 5) Swimming Pool Clean Pool Treat Pool (1, 2, 3) (1, 3, 4) (1, 4, 5)

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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The network diagram below (activity on arrow) shows the activities needed to complete a project to close a seasonal resort after the summer season. The activities are listed as well as the time (in days) it will take to complete them. Note that the three times for each activity are displayed in the following order in the parentheses: optimistic, most likely, pessimistic. This reflects the underlying uncertainty in the activity times, and thus a probabilistic model is used. Use this information to find the expected time for each activity, as well as for each path. Also, calculate the standard deviation for each path (Please do this in Excel). Identify the critical path. Finally, discuss which path has the most uncertain completion time. Winterize Repair Pipes (1, 3, 7) 2 Plumbing (2, 3, 8) Insulate Seal Windows (3, 4, 6) (4, 5, 7) 3 7 Reseal Pool Drain 4 (3, 4, 5) 6. Świmming Pool Clean Pool Treat Pool (1, 2, 3) (1, 3, 4) (1, 4, 5) 1.
Transcribed Image Text:The network diagram below (activity on arrow) shows the activities needed to complete a project to close a seasonal resort after the summer season. The activities are listed as well as the time (in days) it will take to complete them. Note that the three times for each activity are displayed in the following order in the parentheses: optimistic, most likely, pessimistic. This reflects the underlying uncertainty in the activity times, and thus a probabilistic model is used. Use this information to find the expected time for each activity, as well as for each path. Also, calculate the standard deviation for each path (Please do this in Excel). Identify the critical path. Finally, discuss which path has the most uncertain completion time. Winterize Repair Pipes (1, 3, 7) 2 Plumbing (2, 3, 8) Insulate Seal Windows (3, 4, 6) (4, 5, 7) 3 7 Reseal Pool Drain 4 (3, 4, 5) 6. Świmming Pool Clean Pool Treat Pool (1, 2, 3) (1, 3, 4) (1, 4, 5) 1.
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