Reference no: EM13103298
Activity Days * Immediate Predecessor
a m b
A 8 10 12 -
B 6 7 9 -
C 3 3 4 -
D 10 20 30 A
E 6 7 8 C
F 9 10 11 B,D.E
G 6 7 10 B,D,E
H 14 15 16 F
I 10 11 13 F
J 6 7 8 G, H
K 4 7 8 I, J
L 1 2 4 G, H
* a=Optimistic time
m=Most probable or likely time
b=Pessimistic time
Solve for:
A) Construct a network for this problem
B) Determine expected time and variance for each activity
C) Determine Earliest Start time (ES), Earliest Finish time (EF), Latest Start time (LS), Latest finish time(LF), and slack time for each activity
D) Determine critical path and project completion time
E) Determine the probability that the project will be finished in 70 days or less
F) Determine the probability that the project will be finished in 80 days or less
G) Determine the probability that the project will be finished in 90 days or less
Please use Excel or QM for windows and explain as much as possible.
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