The expected times and variances for the project activities are given below, critical path is A-D-F-H. What is the probability of the completing the project in 31 periods? ID Description A B C D E F G H Test market Patent Full production Ad promotion Release 55% 77% Pilot production Select channels of distribution Develop program 88% O 66% Predecessor None None None AA D C B,E,F,G Jy te 6 7 4 4 10 16 32 Variance [(b-a)/6]2 3 4 225 10 21

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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The expected times and variances for the project activities are given below, critical
path is A-D-F-H. What is the probability of the completing the project in 31 periods?
ID
A
B
C
D
E
F
G
H
Description
Pilot production
Select channels of
distribution
Develop program
Test market
Patent
Full production
Ad promotion
Release
55%
77%
88%
66%
Predecessor
None
None
None
A
A
D
C
B,E,F,G
6
7
4
4
10
16
3
2
Variance
[(b-a)/6]2
3
4
2
2
5
10
2
1
Transcribed Image Text:The expected times and variances for the project activities are given below, critical path is A-D-F-H. What is the probability of the completing the project in 31 periods? ID A B C D E F G H Description Pilot production Select channels of distribution Develop program Test market Patent Full production Ad promotion Release 55% 77% 88% 66% Predecessor None None None A A D C B,E,F,G 6 7 4 4 10 16 3 2 Variance [(b-a)/6]2 3 4 2 2 5 10 2 1
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