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Q2. In the above question, the completion times of the activities BD and DE are on average 6 hours and 8 hours, respectively, and if the variances of the completion times of the same activities are 16 and 9 hours, respectively. a. What is the expected total completion time of the project? h What is the probability that the project will be completed in 20 hours in total?

Q2. In the above question, the completion times of the activities BD and DE are on average 6 hours and 8 hours, respectively, and if the variances of the completion times of the same activities are 16 and 9 hours, respectively. a. What is the expected total completion time of the project? h What is the probability that the project will be completed in 20 hours in total?

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 tables below are actitvites slack times and number of workers required respectively. A-B B-D D-E A-D B-E B-C C-E T1. (slack) A-D B-E B-C C-E T2. (workers) 3 23. 2
Transcribed Image Text:The tables below are actitvites slack times and number of workers required respectively. A-B B-D D-E A-D B-E B-C C-E T1. (slack) A-D B-E B-C C-E T2. (workers) 3 23. 2
Q2. In the above question, the completion times of the activities BD and DE are on average 6 hours and 8 hours, respectively, and if the variances of the completion times of the same activities are 16 and 9 hours, respectively. a. What is the expected total completion time of the project? b. What is the probability that the project will be completed in 20 hours in total?
Transcribed Image Text:Q2. In the above question, the completion times of the activities BD and DE are on average 6 hours and 8 hours, respectively, and if the variances of the completion times of the same activities are 16 and 9 hours, respectively. a. What is the expected total completion time of the project? b. What is the probability that the project will be completed in 20 hours in total?
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