6. Suppose you are given the following data for a project:ActivityExpected Activity Time(in days)ABCDEFGHF242430Variance2.12.81.8HWhat is the probability the project will take less than 80 days?a. 2.5%b. 16%c. 84%d. 97.5%e. 99.85%ICritical PathZ27 7N

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Answered: 6. Suppose you are given the following…

Practical Management Science

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ISBN:9781337406659

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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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Let us revisit the project data from Question 7 of Homework #2, where all times are in days (and it is understood that the duration of activity A can be no less than 3 days, in which case it costs $150 instead of $50, and so on and so forth). Normal Normal Crashed Crashed Activity Predecessors Time Cost Time Cost $50 40 $150 200 А В 4 2 C В 70 160 A,C 2 20 1 50 E А, С 30 - - F В 8 80 290 100 180 G 5 50 4 H E,F 60 3 The project has been sold at a fixed price to the client provided the project is completed on time, but in case of delays, there is a penalty of $100 for each day in excess of the normal completion time. Work on the project started on time, and the project manager scheduled a meeting with the supervisors in the morning of day 9 in order to monitor progress by the end of day 9 (time now). a) According to the normal project schedule, indicate what percentage of each activity should be completed by the end day 9. b) Suppose the progress reports indicate that activity A was…
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In the program evaluation and review technique below, how many activities are there for this 7 month project with 5 milestones? m 10 t=3 mo A t=4 mo B t=1 mo 30 20 40 D t=2 mo C E F Time left 1:1 t=3 mo t=3 mo 50
2. Three activities are candidates for crashing on a CPM network. Activity details are in the table below. Activity Normal Time Normal Cost Crash Duration Crash Cost A 9 days $8,000 7 days $12,000 B 5 days $2,000 3 days $10,000 с 12 days $9,000 11 days $12,000 a. What is the crash cost per unit time for activity A? b. What is the crash cost per unit time for activity B? c. Which activity should be crashed first to cut one day from the project's duration; how much is added to project cost? d. Which activity should be the next activity crashed to cut a second day from the project's duration; how much is added to project cost? e. Assuming no other paths become critical, how much can this project be shortened at what total added cost?
Project management
A company must perform a maintenance project consisting of seven activities. The activities, their predecessors, and their respective time estimates are presented below: Activity Break down both machines Clean machine 1 Clean machine 2 Re-set machine 1 Re-set machine 2 Re-calibrate both machines. Final test Designation A B с Using CPM, which activities have slack in this project? D E F G Immediate Predecessor None A A B с D and E F Time in Days 3 3 3 4 2 1 1
29 A project being analyzed by PERT has 60 activities, 13 of which are on the critical path. If the estimated time along the critical path is 214 days with a project variance of 100, what is the probability that the project will take 224 days or more to complete? Select one: a. 0.1587 b. 2.14 c. near zero d. 0.0126 e. 0.8413
B indicate critical path C what is expected completion for the project? D what is the probability that the project will take more than 30 days to complete?
Given the information below, what are the estimated expected (mean) times (in weeks) for activities A-H? What are the estimated standard deviations (in weeks) in the times for activities A-H?
#9
Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Activity A B C D E F a Time (weeks) 4 1 8 5 1 6 m 9 8 14 7 2 9 b 12 23 18 10 4 20 Immediate Predecessor(s) A A A B C, E Activity G H I J K a 3 1 7 4 1 Time (weeks) m 3 1 7 8 1 b 5 1 7 12 4 Immediate Predecessor(s) C, E F F D, G, H I, J
Which 10 risks are related to IT project management?

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6. Suppose you are given the following data for a project: Activity Expected Activity Time (in days) A 24 24 30 c. 84% d. 97.5% e. 99.85% Variance 2.1 D E F G H What is the probability the project will take less than 80 days? a. 2.5% b. 16% 2.8 1.8 Critical Path Z ZZ N N N