Compute the expected time and variance for each activity. What is the critical path and the expected duration of the project? What is the probability that the project will take longer than 58 days to complete?

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Author:WINSTON, Wayne L.
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  1. Compute the expected time and variance for each activity.
  2. What is the critical path and the expected duration of the project?
  3. What is the probability that the project will take longer than 58 days to complete?
You are asked to manage an upcoming project for a client based in Chicago. Your supervisor, Susan, asked you to
determine if the project will be completed in 2 months (60 days). Susan sent you the estimated time durations (in
days) for the project. The information is given below:
Activity
Immediate
Optimistic
Most Likely
Pessimistic
Predecessor
Time
Time
Time
A
10
12
15
В
A
6
10
14
C
A
10
15
20
D
A
9.
9.
18
E
В
5
8
F
C,E
10
12
13
G
12
14
16
H
B,D
18
21
24
I
B,D
10
15
20
J
F.G.H
8.
10
14
Transcribed Image Text:You are asked to manage an upcoming project for a client based in Chicago. Your supervisor, Susan, asked you to determine if the project will be completed in 2 months (60 days). Susan sent you the estimated time durations (in days) for the project. The information is given below: Activity Immediate Optimistic Most Likely Pessimistic Predecessor Time Time Time A 10 12 15 В A 6 10 14 C A 10 15 20 D A 9. 9. 18 E В 5 8 F C,E 10 12 13 G 12 14 16 H B,D 18 21 24 I B,D 10 15 20 J F.G.H 8. 10 14
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