Case Study ABC Construction Company is preparing a network for laying the foundation of a new science museum. Given the following set of activities, their predecessor requirements and three time estimates of completion time: Activity Optimistic Most likely Pessimistic Preceding activity duration duration duration (weeks) (weeks) (weeks) A 2 3 4 B 8. 8 A 7 9 11 В 6 6 6 E 10 11 F 10 14 18 G D 11 11 11 H F, G 6 10 14 E 4 5 6 J 3 4 5 K H 1 1 1 Required 1. Create a network diagram and determine how long will it take to complete the project. 2. Can we delay Activity E without causing a delay in the project completion time? Please explain your answer.

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Case Study
ABC Construction Company is preparing a network for laying the foundation of a new science
museum. Given the following set of activities, their predecessor requirements and three time
estimates of completion time:
Activity
Optimistic
Most likely
Pessimistic
Preceding
activity
duration
duration
duration
(weeks)
(weeks)
3
(weeks)
4
A
2
B
8
8
A
7
9
11
B
6
E
9
10
11
F
10
14
18
G
D
11
11
11
H.
F, G
10
14
E
4
5
6
J
3
4
5
K
H
1
1
Required
1. Create a network diagram and determine how long will it take to complete the project.
2. Can we delay Activity E without causing a delay in the project completion time? Please
explain your answer.
Transcribed Image Text:Case Study ABC Construction Company is preparing a network for laying the foundation of a new science museum. Given the following set of activities, their predecessor requirements and three time estimates of completion time: Activity Optimistic Most likely Pessimistic Preceding activity duration duration duration (weeks) (weeks) 3 (weeks) 4 A 2 B 8 8 A 7 9 11 B 6 E 9 10 11 F 10 14 18 G D 11 11 11 H. F, G 10 14 E 4 5 6 J 3 4 5 K H 1 1 Required 1. Create a network diagram and determine how long will it take to complete the project. 2. Can we delay Activity E without causing a delay in the project completion time? Please explain your answer.
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