1) Based on the following, convert the outline WBS into another WBS format (Org
ID: 372452 • Letter: 1
Question
1) Based on the following, convert the outline WBS into another WBS format (Org Chart or Mind Map), and then create the network diagram (AON). Calculate the PERT for each activity in yellow.
(You may have to save it as an image and insert the picture file)
Activity
Predecessor
Estimated time (PERT)
Start
Opt
Most
Pest
PERT Estimate
1.0 A
?
?
?
?
1.1 A1
Start
1D
3D
4D
?
1.2 A2
Start
2D
3D
4D
?
1.3 A3
Start
1D
1D
4D
?
2.0 B
2.1 B1
A1, A2
2.2 B2
A3
3.0 C
3.1 C1
B1, B2
4.0 D
4.1 D1
B2
4.2 D2
B2
4.3 D3
D2
5.0 E
?
?
?
?
5.1 E1
C1
4D
7D
13D
?
6.0 F
6.1 F1
D1, D3
7.0 G
7.1 G1
E1, F1
End
G1
Activity
Predecessor
Estimated time (PERT)
Start
Opt
Most
Pest
PERT Estimate
1.0 A
?
?
?
?
1.1 A1
Start
1D
3D
4D
?
1.2 A2
Start
2D
3D
4D
?
1.3 A3
Start
1D
1D
4D
?
2.0 B
2.1 B1
A1, A2
2.2 B2
A3
3.0 C
3.1 C1
B1, B2
4.0 D
4.1 D1
B2
4.2 D2
B2
4.3 D3
D2
5.0 E
?
?
?
?
5.1 E1
C1
4D
7D
13D
?
6.0 F
6.1 F1
D1, D3
7.0 G
7.1 G1
E1, F1
End
G1
Explanation / Answer
PERT estimate is the weighted mean of three time estimates with weights 1, 4, 1 respectively
PERT estimate = (Opt+4Most+Pest)/6
For 1.A times are Maximum of times of A1, A2, A3
Start A A1 A2 A3 B B1 B1 B2 B2 B2 C C1 C1 D D1 D2 D3 E E1 F F1 F1 G G1 G1 EndRelated Questions
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