31) Use the values in the table to calculate activity durations and variances for the project. Which path is critical? How closely should the other path be watched and why? ( Activity Predecessor Optimistic Likely Pessimistic A 6 10 B A 2 5 C A 6 7 D B 9 E C 17 D.E 9 8 9 20 11 19

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31) Use the values in the table to calculate activity durations and variances for the project. Which
path is critical? How closely should the other path be watched and why? (
Activity
Predecessor
Optimistic
Likely
Pessimistic
A
4
6
10
--
B
A
2
5
8
C
A
6
7
D
B
3
E
C
7
D.E
9
9
11
9
20
11
19
Transcribed Image Text:31) Use the values in the table to calculate activity durations and variances for the project. Which path is critical? How closely should the other path be watched and why? ( Activity Predecessor Optimistic Likely Pessimistic A 4 6 10 -- B A 2 5 8 C A 6 7 D B 3 E C 7 D.E 9 9 11 9 20 11 19
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