QUESTION 26The following table of probabilistic time estimates (in weeks) and activity predecessors are provided for a project.Activityoptimistictimemost likely pessimistictimeActivityPredecessortime7105ABCDETable 1Reference: Ref 13465583991215Using Table 1, how much slack is associated with activity C?OA. 12.67 weeks.B. 4.50 weeks.O C. 31.00 weeks.D.0 weeks.AAB, CD

Answered: The following table of probabilistic…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

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Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Time estimates Activity Optimistic Most Likely Pessimistic Time (ET) a A 31 B 44 C 48 72 D 22 34 Assume each time estimate consists of one data point m 40 50 Start 60 31 A b 49 56 B Expected Variance (0²) End 1) What is the estimated expected (mean) time for activity C? A. 48 days B. 72 days C. 44 days D. 60 days E. 100 days
Activity Immediate Predecessors Optimistic Time (a) Most Likely Time (m) Pessimistic Time (b) Variance A - 6 8 9 .25 B - 9 12 15 1.00 C A, B 4 6 11 1.36 D B 3 4.5 6 .25 E A 1 2 3 .11 F C 1 3 5 .44 G E,F 5 6 10 .69 H D,F 2 3 4 .11 I G,H 1 1 1 .00 J I 2 3 7 .69 (b) Determine the Expected Times. (c) Determine the activity schedule (ES, EF, LS, and LF) as well as slack. (d) Determine and state the critical path for this project.
Activity Immediate Predecessors Optimistic Time (a) Most Likely Time (m) Pessimistic Time (b) Variance A - 6 8 9 .25 B - 9 12 15 1.00 C A, B 4 6 11 1.36 D B 3 4.5 6 .25 E A 1 2 3 .11 F C 1 3 5 .44 G E,F 5 6 10 .69 H D,F 2 3 4 .11 I G,H 1 1 1 .00 J I 2 3 7 .69 (e) What are the expected time and the variance of the project? (f) What is the probability that the project is completed in 32 or fewer weeks? (g) What date should be set such that there is a 94% chance of completion within that time?
ACTIVITY Immediate Predecessor Normal Duration (wks) Minimum Duration (wks) Crash Costs ($/wk) A --- 4 4 --- B --- 3 2 100 C A, B 5 3 200 D C 4 4 --- E C 2 1 300 F C 1 1 --- G D 3 2 200 H E 1 1 --- I F 1 1 --- J H, I 3 1 100 What is the slack time for Activity F and the late start for Activity H? Group of answer choices 2 weeks, 11 weeks 1 weeks, 11 weeks 3 weeks, 10 weeks 2 weeks, 12 weeks None of the above are correct.
QUESTION #5 a. Draw the network corresponding to the following information. b. Identify the critical path, and specify project completion time. c. Complete the table given below. Immediate Predecessor(s) Activity Time (Weeks) 3 4 6. B 6. C.D 6 D.E 8. H. G.F 9. H Activity Earliest Earliest Latest Latest Finish Slack Start Finish Start C E G
PM.58 Tech Solutions XYZ makes accessory products for tablet computers. Below are all the activities required to develop a new wireless keyboard and cover combination: Activity Duration (days) Immediate Predecessor(s) A 8. 10 C 6. D 7 A E 3 C F 12 B,D,E G 16 D,E H F G,H J 13 What is the overall duration of the project (in days)? Number days What is the earliest day you could start activity G? (Write the day number in the field below.) Number What is the earliest day you could finish activity F? Number
Time estimates Expected Variance Activity Optimistic Most Likely Pessimistic Time (ET) (0²) a A 31 B 44 C 48 72 D 22 34 Assume each time estimate consists of one data point Start m 40 50 60 31 b 49 56 B D End 2) What is the estimated Standard Deviation in the time for activity C? (Round to the nearest whole number) A. 0 days B. 4 days C. 9 days D. 10 days E. 33 days
Using Microsoft Excel TM prepare a Gantt Chart for the following project. Activity Predecessor(s) Duration (Months) 1. Proposal 2. Client meeting 3. Develop airframe spec. 4. Develop engine spec. 5. Client meeting 6. Design fuselage 7. Design wings 8. Design engine 9. Client meeting 10. Build fuselage 11. Build wings 12. Build engines 13. Integrate airframe 14. Client meeting 15. Test engines 16. Integrate engines 17. Test flight 18. Client meeting 4 1 1 2 3 2 2 3,4 1 5 8 13 6,7.8 1 16 10 12 10,11,12 5 13 1 12 8 4 16 10 17 1 N567 2.
Table 7.4 Activity Predecessor Time(weeks) 8. 6. 4. D 9. 11 B 3. D, E, F 1 1) Using Table 7.4, what is the earliest completion time for this project? A) 18 weeks B) 19 weeks C) 20 weeks D) 21 weeks 2) Using Table 7.4, what is the largest amount of slack that any activity in the project has? A) zero weeks B) two weeks C) four weeks D) six weeks 3) Using Table 7.4, what is the minimum number of activities that would have to be delayed to cause an increase in the project's earliest completion date? A) one activity B) two activities C) three activities D) four or more activities
Activity Immediate Predecessor Optimistic Time (a) Most likely Time (m) Pessimistic Time (b) A - 2 3 4 B - 2 4 6 C A 1 2 3 D B 4 6 9 E C,D 7 8 9 F D 4 7 10 G E 3 4 6 H E,F 7 9 12 a) What time should be allowed such that there is a 95% chance of completion within that time?
Normal Time Immediate Predecessor(s) Crash Time Activity Normal Cost (5) Crash Cost () (days) (days) START A 50 160 START B 4. 40 160 START 70 190 B 10 100 A C A.C D 11 20 E 30 30 F 80 7. 280 G 7. 50 4. 110 60 7. 120 EF G. H FINISH a. Using the normal times for each activity, what is the earliest date you can complete the project? The corresponding project duration using the normal times isdays. (Enter your response as an integer)
Subject : project management Q. What is meant by "Milestone" and why is it important a Project Manager to have for them?

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