4) What is the estimated standard deviation of the expected time for the critical path? A. 2.83 days B. 5 days C. 8 days D. 20 days E. 25 days
4) What is the estimated standard deviation of the expected time for the critical path? A. 2.83 days B. 5 days C. 8 days D. 20 days E. 25 days
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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Transcribed Image Text:Time estimates
Expected
Variance
Activity Optimistic Most Likely Pessimistic Time (ET) (6²)
A
B
C
D
Start
a
31
44
48
22
m
40
50
60
31
B
b
4574
49
56
72
34
D
End
4) What is the estimated standard deviation of the
expected time for the critical path?
A. 2.83 days
B. 5 days
C. 8 days
D. 20 days
E. 25 days
Expert Solution
Step 1 Introduction:-
A network diagram shows the sequence of the task that is done to complete a project. It usually shows the link of each task with the duration taken by each activity with respect to the completion of the project. Each task is shown with the nodes that are connected with each other with the help of arrows. There are 2 types of network diagrams:- CPM and PERT.
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