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# CPM/PERT Techniques

Given the following network with activities and times estimated in days:

Activity Optimistic Most Probable Pessimistic
A 2 4 6
B 1 3 7
C 6 7 10
D 5 12 14
E 3 4 5
F 8 9 12
G 4 6 8
H 3 5 8
I 5 9 12
J 12 13 14
K 1 3 4

a. What are the critical path activities? To answer this, determine expected time for all activities and then fill in the table below. Carry your answers to 2 decimals.

b. What is the expected time to complete the project? Carry your answers to 2 decimals.

c. What is the probability that the project will take more than 28 days to complete? Carry your answers to 2 decimals.

#### Solution Preview

Please refer attached file for missing graphs and tables.

a. What is the expected time to complete the project? Carry your answers to 2 decimals.

Critical path is C-H-J-K (shown by red color on chart- Activities with zero slack values in the ...

#### Solution Summary

Solution calculates the expected project completion time in the given case.

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