ch16 - -) = P(Z 0.39) = 0.6517 Problem 16: a. P(project 32)...

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Chapter 16 Problem 2: a. Project completion time = 17 weeks b. Critical activities: A, B, D, F, G Problem 4: Problem 6: Activity A B C D E F G H I J Variance 1 0.444 1.778 1 3.361 0.111 0.694 1 1 0 Problem 8: a. P(project 38) = P(critical path 38) = P(Z 833 . 7 33 . 40 38 - ) = P(Z -0.83) = 0.2033 b. P(project 42) = P(critical path 42) = P(Z 833 . 7 33 . 40 42 - ) = P(Z 0.60) = 0.7257 Problem 10: Reduce G, A, and C, respectively, by 1 week each at a cost of $1200. Problem 12: 17 weeks is the minimum project completion time. Problem 14: A B G E H D F C I G
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a. P(project 36) = P(critical path 36) = P(Z 66 . 6 39 36 - ) = P(Z -1.16) = 0.1230 b. P(project 40) = P(critical path 40) = P(Z 66 . 6 39 40
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Unformatted text preview: -) = P(Z 0.39) = 0.6517 Problem 16: a. P(project 32) = P(critical path 32) = P(Z 026 . 10 17 . 44 32-) = P(Z -3.84) = 0 b. Z = -X 1.645 = 026 . 10 17 . 44-X X = 49.4 weeks. Problem 18: The shortest critical path becomes 38 weeks. From the critical path in problem 17 (BEFIJKL), reducing K by one week, I by one week, B by one week, and E by two weeks reduces the completion time to 38 weeks. However, ADFIJKL would now be the critical path, so D must also be reduced by two weeks. Total Cost = $1,000 + $3,000 + $3,000 + $6,000 + $3,000 = $16,000...
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ch16 - -) = P(Z 0.39) = 0.6517 Problem 16: a. P(project 32)...

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