Answered: AOA diagram Most likely time Optimistic…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The network diagram for a project is shown in the accompanying figure, with three time
estimates for each activity. Activity times are in weeks. Do the following:
a. Compute the expected time for each activity and the expected duration for each path.
b. Identify the critical path.
c. Compute the variance of each activity and the variance and standard deviation of each
path.

AOA diagram
Most likely
time
Optimistic
time
Pessimistic
time
2-4-6
2-3-5
1-3-4
3-4-5
3-5-7
5-7-9
d.
2-3-6
3-4-6
4-6-8
AON diagram
1-3-4
2-4-6
2-3-5
3-4-5
3-5-7
5-7-9
Start
Finish
2-3-6
4-6-8
3-4-6

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