Suppose the following estimates of activity times (days) are provided for
Activity
Optimistic time
Most likely time
Pessimistic time
A
1
3
5
B
3
4
5
C
4
5
6
D
3
5
7
E
5
6
13
F
4
7
10
G
6
8
10
The difference between variance of activity G and variance of activity B is
1.63
0.25
0.5
0.3333
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