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Project Management : CPM/PERT Techniques

Using the following project information, calculate the variance for each of the project activities.

Activity Optimistic Time Most Likely Time Pessimistic Time Immediate Predecessor(s)
A 3 6 9 none
B 3 5 7 A
C 4 7 12 A
D 4 8 10 B
E 5 10 16 C
F 3 4 5 D,E
G 3 6 8 D,E
H 5 6 10 F
I 5 8 11 G
J 3 3 3 H,I

(Round your answers to 3 decimal places, the tolerance is +/-0.001.)

Solution Preview

Please refer attached file for better clarity of table.

Activity Optimistic Time,O Most Likely Time, M Pessimistic Time, P Immediate Standard Deviation s=(P-O)/6 Variance
Estimate(weeks) Estimates (weeks) Estimates (weeks) Predecessor(s)

A 3 6 9 none 1.00000 1.000
B 3 ...

Solution Summary

Solution calculates variance for each of the given project's activities.

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