Crashed Completiontime (week)Crashed Cost perPrecedingActivityNormal CompletionTime (week)ActivityweekA75$600$700$400$8001210A82D97EC, D54$300FE98$500GD, F1010Find the minimum possible completion time of the project by considering the crashedcompletion times and the minimal total cost of that crashing the project.Highlight the critical and non-critical activities of the finally completed project by taking intoaccount the crashed times of activities.

The question is related to Crashing the project duration. The details are given 7 activities from A…

Answered: Normal Completion Crashed Completion…

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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Activities, preceding activities, normal and crashed completion times of each of the activities and crashed costs of activities per week of a project are given in the following table. Activity Preceding Activity Crashed Completion time (week) Normal Crashed Cost Completion Time (week) 7 per week A 7 6. 5 $500 $700 $600 $800 $400 C A 4 3 A, C В, D D, E D 9 E 10 9. F 9 II. Find the slack time of each of the activities and the critical activities. Find the minimum possible completion time of the project by considering the crashed completion times and the minimal total cost of crashing the project. iv.
Activity Normal_time Crash_time Normal_cost Crash_cost Slack A 31 17 4800 6200 В 14 14 5500 5500 C 34 18 5100 6600 21 17 4500 6800 E 15 15 5300 5300 F 17 17 5300 5300 The table shows normal time, crash time, normal cost, crash cost and slack time of activities in a project. According to this table which activity must be crashed first? Assume there is only one critical path. (Only type the name of the activity, Example: A. @orsdemir. Copyrighted content. Cannot be posted.) 0ㅇ11 2 0
Charlie Cook was able to determine the activity times for constructing his chemical contaminant tracking machine. Cook would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Q Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A B C D 7 8 2 1 Charlie's earliest start (ES) and earliest finish (EF) are: A A Activity A EFGH ES EF 7 5 7 11 8 B B C, E D, F
Consider a project that has been modeled as in the table below. Part a) Draw the PERT/CPM network for this project and determine the project’s expected completion time μP and its critical path. Part b) Suppose the standard deviations of the activity durations are σA = 2, σB = 1, σC = 0, σD = 2, σE = 3, and σF = 0. Then please estimate the standard deviation of the overall project’s standard deviation σP . Part c) Suppose for the standard Normal random variable Z, we know P[−1 ≤ Z ≤ +1] ' 68%, P[−2 ≤ Z ≤ +2] ' 95%, and P[−3 ≤ Z ≤ +3] ' 99.7%. Then, approximately what time T is one for which there is only a less than 2.5% chance for the completion time to beat (be shorter than)? *Please answer a-c and type your work and answers or write them neatly please* Thank you
4 01:34:47 The network diagram and task times for a project are shown below. A₁ A2 Late start time A3 Task A₁ A₂ A3 A₁ A5 What is the late start time for activity A3 ? Duration (days) 7 6644 A4 days A5
Three activities are candidates for crashing on a project network for a large computer installation (all are, of course, critical). Activity details are in the following table: Activity A B C Normal Time Crash Time Normal (days) (days) Cost 7 6 4 11 2 9 $5,000 $1,400 $4,000 Total Cost with Immediate Crashing Predecessor(s) $5,600 $3,300 $6,400 a) Activity that should be crashed first to reduce the project duration by 1 day is A b) Activity that should be crashed next to reduce the project duration by one additional day is A B A B C ect: 0
Shrink the occurrence time of the following project and find: a) The critical path and the expected project completion time. b) Find the optimal duration and optimal cost. Normal Crash Activities Time Cost Time Cost 1-2 100 1-3 150 2-4 50 2-5 100 3-4 100 4-5 80. 843324 722213 200 230 90 150 200 100
Develop a project network. Determine the expected project completion time. What is the probability that the project completion time will be completed? With in 2 weeks earlier than the expected project completion time? With in 1.5 week more than the expected project completion time ?
A project consists of seven activities, lettered A through F below. For each activity, the estimated normal time in number of weeks, crash time, normal cost, crash cost, and its preceding activity are given. Normal Time Crash Time Normal Cost Crash Cost Immediate Activity (weeks) (weeks) (Peso) (Peso) Predecessor(s) A 4 3 2,000 2,600 B 1 2,200 2,800 3 500 500 D 8 4 2,300 2,600 A E 6 900 1,200 В F 3 3,000 4,200 G 4 1,400 2,000 D, E If you wish to reduce the time required to complete this project by one week, which activity should be crashed? O Activity C O Activity D O Activity E O Activity B O Activity A
Three activities are candidates for crashing on a project network for a large computer installation (all are, of course, critical). Activity details are in the following table: Normal Activity Time (days) A B с 7 4 11 Crash Time (days) 6 2 9 Normal Cost $5,000 $1,400 $4,200 Total Cost with Crashing Immediate Predecessor(s) $5,500 $3,100 $6,200 A
Table 3 gives time estimates in weeks for each activity (Durations are Time Expected obtained using PERT) Activity Preceded 1 Order review 2 Order vendor parts 3 Produce standard parts 4 Design custom parts Software development 5 6 Manufacture custom parts 7 Assemble 8 Test Duration 5 15 20 13 18 10 10 5 1 1 1 4 2,3,6 2,5 Resources Ryan Carly Ryan Lauren Connor Ryan Dawn Test Assuming that you have been engaged to programme the project activities indicated in Table 3 and Figure A8.1B (Air Control Project: Time Plan without Resources), USE CCPM (Critical Chain Project Management) to ESTIMATE the project duration by showing each and every stage of your programming process (indicate technical dependency with resources imposed).
Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table: Normal Crash Activity Time (weeks) Time (weeks) A B 3 1 3 4 3 2 2 a) Based on the given information regarding the activities for the project, the project length с D E F G 2 8 6 Normal Cost $2,100 $2,300 $500 $2,400 $900 $3,400 $1,600 weeks Total Cost with Crashing Immediate Predecessor(s) $2,700 $3,000 $500 $2,700 $1,350 $4,900 $2,200 С D, E

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