The estimated times and immediate predecessors for the activities in a project at Howard Umrah's retinal scanning company are given in the following table Assume that the activity times are independent Time (weeks) Time (weeks) Immediate Immediate Predecessor(s) b Predecessor(s) Activity a B 6 m 10 11 D 13 17 Activity B Activity C D C D This exercise contains only parts a b c d and e a) Based on the activity time estimates, the expected times and varnance for each of the activities are (round your response to two decimal places) Expected Time 10.17 11 17 a 10.17 8 9 4 m Variance 3:36 25 1.76 10 12 8 12 b) The expected completion time of the critical path 20 34 weeks (round your response to two decimal places) The expected completion time of the path other than the critical path 19.17 weeks (round your response to two decimal places) B

The estimated times and immediate predecessors for the activities in a project at Howard Umrah's retinal scanning company are given in the following table Assume that the activity times are independent Time (weeks) Time (weeks) Immediate Immediate Predecessor(s) b Predecessor(s) Activity a B 6 m 10 11 D 13 17 Activity B Activity C D C D This exercise contains only parts a b c d and e a) Based on the activity time estimates, the expected times and varnance for each of the activities are (round your response to two decimal places) Expected Time 10.17 11 17 a 10.17 8 9 4 m Variance 3:36 25 1.76 10 12 8 12 b) The expected completion time of the critical path 20 34 weeks (round your response to two decimal places) The expected completion time of the path other than the critical path 19.17 weeks (round your response to two decimal places) B

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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