11. Building a backyard swimming pool consists of nine major activities. The activities and their immediate predecessors are shown. Develop the project network. For question number 12, you need to refer to question number 11. Also the first picture is for #11 and second picture(image) is for #12 12. Assume that the activity time estimates (in days) for the swimming pool construction project in Problem 11 are as follows:    a. What are the critical activities?  b. What is the expected time to complete the project?  c. Based only on the critical path, what is the estimated probability that the project can be completed in 25 or fewer days?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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11. Building a backyard swimming pool consists of nine major activities. The activities and their immediate predecessors are shown. Develop the project network.

For question number 12, you need to refer to question number 11. Also the first picture is for #11 and second picture(image) is for #12

12. Assume that the activity time estimates (in days) for the swimming pool construction project in Problem 11 are as follows: 

 

a. What are the critical activities? 

b. What is the expected time to complete the project? 

c. Based only on the critical path, what is the estimated probability that the project can be completed in 25 or fewer days? 

 

Activity
А В
C DE
E G H
Immediate Predecessor
А, В
А, В
B
C D
D, F E, G, H
-
-
Transcribed Image Text:Activity А В C DE E G H Immediate Predecessor А, В А, В B C D D, F E, G, H - -
Activity
Optimistic
Most Probable
Pessimistic
A
5
B
2
4
7
D
7
10
E
2
4
F
1
2
3
G
10
H
10
4
5
CO
Transcribed Image Text:Activity Optimistic Most Probable Pessimistic A 5 B 2 4 7 D 7 10 E 2 4 F 1 2 3 G 10 H 10 4 5 CO
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