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Linear Prog COP4355_Part_26

# Linear Prog COP4355_Part_26 - Chapter 10 Network Models 108...

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T E = 26 CP = 1-3-4-7 Branch Slack = (T L(6) – T E(2) ) – (t e(2-5) + t e(5-6) ) = (22 – 4) – (11 + 4) = 18 – 15 = 3 weeks (things may be distributed between activities 2-5 and 5-6) 10.6 Completion time = 27 10.7 Completion time = 27 10.8 Completion time = 18 1 2 3 4 56 7 4 12 6 7 11 4 4 13 8 8 7 4 15 19 14 11 13 6 12 21 26 25

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109 (b) T E = 20 weeks (c) 1-2-3-4 (d) 222 11 = 6 +7 +7 = 134 1.93 66 σ = (e) 22-20 2 Z = 1.04 1.93 1.93 == P(T E 22) = 1 - .1499 ! 85% 1 0 0 0 2 7 7 0 3 10 9 1 4 11.5 11.5 0 5 15 14 1 6 20 20 0 6.5 7 10 2 4.5 8.5 5 9 5 6.5 10 11.5 9 14 20 19 18 7
110 10.10(a) (b) T E = 38 weeks (c) 1-3-5-8-9 (d) 0 (e) 38 - 8.5 = 29.5 29.5 – 15.5 = 14 14 – 5 = 9 (f) 2222 15 0 = 4+3+3+4 = 1.18 66 σ = 36 - 38 Z = = -1.69 1.18 (P E 36) = 1 - .95449 = .04551 or 4.551% 10.11 Completion time = 35 10.12 Completion time = 23.667

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Linear Prog COP4355_Part_26 - Chapter 10 Network Models 108...

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