HW Ch 3 Project Management

HW Ch 3 Project Management - This file contains more...

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This file contains more answers than assigned. You have to practice those problems assigned in the syllabus. 3.2 Here are some detailed activities to add to Mefford’s WBS:* 1.11 Set initial goals for fundraising 1.12 Set strategy including identifying sources and solicitation 1.13 Raise the funds 1.21 Identify voters’ concerns 1.22 Analyze competitor’s voting record 1.23 Establish positions on issues 1.31 Hire campaign manager and political advisor 1.32 Get volunteers 1.33 Hire a staff 1.34 Hire media consultants 1.41 Identity filing deadlines 1.42 File for candidacy 1.51 Train staff for audit planning Students could make many other choices. *Source: Modified from an example found in M. Hanna and W. Newman, Operations Management : Prentice Hall, Upper Saddle River, NJ (2001): p. 722. 3.3 3.4 3.6 (a) Activity Time ES EF LS LF Slack Critical A 2 0 2 13 15 13 No B 5 0 5 0 5 0 Yes C 1 0 1 11 12 11 No D 10 5 15 5 15 0 Yes E 3 15 18 15 18 0 Yes F 6 1 7 12 18 11 No G 8 18 26 18 26 0 Yes 3.7 (a) (b, c) There are four paths: Path Time (hours) A–C–E–G 19.5 B–D–F–G 24.9 A–C–D–F–G 28.7 (critical) B–E–G 15.7 (d) Gantt chart 1 Critical path is A–C–F–H. Time = 21 days. This is an AON network. Critical path is A–C–F–G–I. Time = 21 days. This is an AOA network. 3.5 The paths through this network are J–L–O, J–M–P, J–M–N–O, K–P, and K–N–O. Their path durations are 23, 18, 22, 13, and 17. J–L–O is the critical path; its duration is 23. (b) Critical path is B–D–E–G (c) Total project takes 26 days (d)
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3.8 3.9 (a) AON network: (b) AOA network: 3.10 3.11 Activity Time ES EF LS LF Slack Critical A 6 0 6 2 8 2 No B 7 0 7 0 7 0 Yes C 3 6 9 8 11 2 No D 2 6 8 12 14 6 No E 4 7 11 7 11 0 Yes F 6 7 13 8 14 1 No G 10 11 21 11 21 0 Yes H 7 13 20 14 21 1 No The critical path is given for activities B, E, G. Total project completion time is 21 days. 3.12 (a) (b, c) Task Time ES EF LS LF Slack A 9 0 9 0 9 0 B 7 9 16 9 16 0 C 3 9 12 18 21 9 D 6 16 22 20 26 4 E 9 16 25 16 25 0 F 4 12 16 21 25 9 G 6 25 31 25 31 0 H 5 22 27 26 31 4 I 3 31 34 31 34 0 Activities on the critical path: A, B, E, G, I Project completion time = 34 3.13 Activity a m b + 4 + t = 6 a m b = - b a 6 σ A 11 15 19 15 1.33 B 27 31 41 32 2.33 C 18 18 18 18 0 D 8 13 19 13.17 1.83 E 17 18 20 18.17 0.5 F 16 19 22 19 1 3.14 (a) Activity a m b Expected Variance A 3 6 8 5.83 0.69 B 2 4 4 3.67 0.11 C 1 2 3 2.00 0.11 D 6 7 8 7.00 0.11 E 2 4 6 4.00 0.44 F 6 10 14 10.00 1.78 G 1 2 4 2.17 0.25 H 3 6 9 6.00 1.00 I 10 11 12 11.00 0.11 J 14 16 20 16.33 1.00 K 2 8 10 7.33 1.78 (b, c) Activity Time ES EF LS LF Slack Critical A 5.83 0.00 5.83 7.17 13.00 7.17 No B 3.67 0.00 3.67 5.33 9.00 5.33 No C 2.00 0.00 2.00 0.00 2.00
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