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PERT Sample Computation

Given that the expected time to complete the project is 46 weeks and the standard deviation is 1.095445 weeks, the probability of completing the project in more than 48 weeks is 0.03394.

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Calvin Paulo Mondejar
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71 views4 pages

PERT Sample Computation

Given that the expected time to complete the project is 46 weeks and the standard deviation is 1.095445 weeks, the probability of completing the project in more than 48 weeks is 0.03394.

Uploaded by

Calvin Paulo Mondejar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Given Value, x 48

Expected Time to Complete the Project, μ 46


Standard Deviation of the Project, σ 1.095445

Probability of more than 48 weeks 0.03394


3 4 5 4 0.111111
1 2 3 2 0.111111
0.5 1 1.5 1 0.027778
1 2 9 3 1.777778
1 5.5 7 5 1
Immediat
Most
e Optimisti Pessimisti
Activity Likely Expected Variance
Predecess c Time, to c Time, tp
Time, tm
or/s
A --- 10 12 15 12.1667 0.6944
B A 6 10 14 10 1.7778
C A 10 15 20 15 2.7778
D A 9 9 18 10.5 2.25
E B 5 6 8 6.1667 0.25
F C, E 10 12 13 11.8333 0.25
G B 12 14 16 14 0.4444
H B, D 18 21 24 21 1
I B, D 10 15 20 15 2.7778
J F, G, H 8 10 14 10.3333 1
Immediat
Most
e Optimisti Pessimisti
Activity Predecess c Time, to Likely c Time, tp e v
Time, tm
or/s
A --- 15 20 25 20 2.777778
B --- 8 10 12 10 0.444444
C A 25 30 40 30.83333 6.25
D B 15 15 15 15 0
E B 22 25 27 24.83333 0.694444
F E 15 20 22 19.5 1.361111
G D 20 20 22 20.33333 0.111111

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