A car manufacturing plant outlines a number of activities involved in its operations. The following table describes the relationships among the activities that need to be completed for a car to be manufactured: IMMEDIATE PREDECESSORS Days Activity A 3 6. 5 11 A C 6. 10 A D 2 В, С 11 15 D F 14 D G 6 8 10 D 3. F, D 4 8 3 5 7 E, F, H (a) Develop a project network for this problem. (b) Determine the expected duration and variance for each activity.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A car manufacturing plant outlines a number of activities involved in its operations. The following table
describes the relationships among the activities that need to be completed for a car to be manufactured:
Days
IMMEDIATE
Activity
a
m
b
PREDECESSORS
A
6.
B
5
8
11
A
C
6.
10
A
1
6
В, С
E
7
11
15
D
F
14
D
G
8
10
D
H
3
4.
8
F, D
I
3
5
E, F, H
(a) Develop a project network for this problem.
(b) Determine the expected duration and variance for each activity.
Transcribed Image Text:A car manufacturing plant outlines a number of activities involved in its operations. The following table describes the relationships among the activities that need to be completed for a car to be manufactured: Days IMMEDIATE Activity a m b PREDECESSORS A 6. B 5 8 11 A C 6. 10 A 1 6 В, С E 7 11 15 D F 14 D G 8 10 D H 3 4. 8 F, D I 3 5 E, F, H (a) Develop a project network for this problem. (b) Determine the expected duration and variance for each activity.
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