A project consists of seven activities. The following table shows theestimated time of the activities and the precedence relations.ActivityEstimateddurations (days)ImmediatepredecessorA9B10C5D3E6F3G4AAB, CB, CD, EIf the duration of activity B increases by 3 days, by how many days will theproject duration increase?

The longest series of tasks in a project plan that must be finished on time for it to be finished by…

Answered: A project consists of seven 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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2. The time estimates (in weeks) for the activities of a PERT network are given below. (i) (ii) 1-2 1-3 1-4 2-5 3-5 4-6 5-6 18 9 10 8 16 7 Activity to 24 16 3 tm 7 9 20 14 2 tp 9 20 11 11 28 18 4 Draw the project network and calculate the project length. Calculate the standard deviation and variance along the critical path. (iii) Find the probability of completing the project one day earlier and 2 days later.
Consider the below project information for questions 1-4. Activity I
Consider the project information in the table below: Immediate Activities Duration (days) Predecessors 8. 6. C 8. 11 A 6. A F 6. H. 4 F, G, H D, E, I Draw and analyze a project network diagram to answer the following questions: What is the most that Activity E can be delayed in starting, without delaying the project? OA. 22 В. 21 OC. 19 O D. 20 O E. 18 5. A B
A project consists of five activities listed below. The project network is shown for the activities. The critical path is B-C-E and the expected completion time is 8. Optimistic Most Probable Pessimistic Activity Time (hr) Time (hr) Time (hr) A Floor sanding 3 4 5 B Paint mixing 0.5 1 1.5 C Ceiling painting 1 5.5 7 D Wall painting 1 2 9 E Floor buffing 1 2 3 What is the probability that the project can be completed within 9 hr.?
Problem 3 : CPM/PERT Using CPM/PERT find the minimum number of days to finish the project. For each activity find out the earliest start and finish time as well as latest start and finish time. (Each Week Consists of 5 Days)
1.
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 ?
Consider the following project with activities A through H. Activity Immediate Predecessors Duration (weeks) A B с D E F G H A B A C,D C,D C,D G Draw the precedence diagram for this project. 2 3 4 6 10 11 5 7
Using the following table, calculate the project duration Task Predecessor Duration (weeks) A - 1 B A 2 C - 2 D - 3 E B 3 F C, D 4 G E,F 6 H F 1

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