A project has four major activities. Activity A precedes activity B, activity Cprecedes activity D. 3-point estimates for activities are A(4, 8, 12 ), B( 3, 6,9 ), C( 1, 2, 3 ), D( 6, 12, 18 ) weeks. What probability would you assign toa project duration of more than 14 weeks?O a. 0.402O b. 0.949O c. 0.75O d. 0.5

Answered: A project has four major activities.…

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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A project consists of three tasks: A, B, and C. Task A is known to take five days forsure. Tasks B and C are each dependent on A. B takes five days. C takes seven dayswith a probability of 0.5 and three days with a probability of 0.5. What is the expectedcompletion time of the project?a. 8 daysb. 10 daysc. 11 daysd. 12 days
Ans c. The earliest starting time for activity H is 15 days Ans d. The latest start time for activity J is 25 days. Ans e. The critical path is A-B-H-I-L-M with the minimum duration of the project as 28 days This is a follow up question please do f and g
a) Draw a schedule showing the work package critical path and duration. b) Assume the wor kpackage has to be completed within 44 weeks.Calculate the most costeffective way of completing the work package within this time, giving the costincrease associated with this crash sequence. c) Discuss the main factors likely to be considered by the project manager whenconsidering time– cost trade-offs and time–quality trade-offs as ways of reducingthe overall time required to complete a project or work package.
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You have collected the data for a Time-Cost CPM Scheduling model analysis. The time is in days and the project "direct costs" are given below. Immediate Normal Crash Normal Crash Activity Predecessor Time Time Cost (Direct) Cost (Direct) A None 3 2 $300 $408 B A 3 3 $100 $100 C A 1 1 $200 $200 D B and C 3 2 $400 $550 E D 2 1 $500 $900 F E 3 3 $200 $200 G F 2 2 $200 $200 The indirect costs for the project are determined on a daily duration basis. If the project lasts 16 days the total indirect costs are $408, 15 days they will be $350, 14 days they will be $200, and 13 days they will be $100. If you crash this project by one day what is the total (i.e., direct and indirect) project cost?
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A project has four major activities. Activity A precedes activity B, activity C precedes activity D. 3-point estimates for activities are A(4, 8, 12 ), B( 3, 6, 9), C( 1, 2, 3 ), D( 6, 12, 18 ) weeks. What probability would you assign to a project duration of more than 14 weeks? 0.402