Project Network Analysis for Desklib Online Library

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Added on  2023/06/12

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This article discusses the Project Network Analysis for an online library with solved assignments, essays, dissertation, etc. It includes the activity list, network diagram, expected completion time and variance, calculation of ES, EF, LS, LF, and Slack, Gantt chart, critical path, and probability of completion in less than 40 days. The due date for 95% probability of completion is also mentioned.

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Project Network Analysis
Name of the Student:
Student ID:
Name of the University:

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Activity list
Activity Time (Days) Immediate Predecessors (s)
a m b
A 3 6 8
B 2 4 4
C 1 2 3
D 6 7 8 C
E 2 4 6 B, D
F 6 10 14 A, E
G 1 2 4 A, E
H 3 6 9 F
I 10 11 12 G
J 14 16 20 C
K 2 8 10 H, I
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a) Network Diagram
B
Start: 4/23/18 ID: 2
Finish: 4/26/18 Dur: 4 days
Res:
C
Start: 4/23/18 ID: 3
Finish: 4/24/18 Dur: 2 days
Res:
D
Start: 4/25/18 ID: 4
Finish: 5/3/18 Dur: 7 days
Res:
J
Start: 4/25/18 ID: 10
Finish: 5/16/18 Dur: 16 days
Res:
E
Start: 5/4/18 ID: 5
Finish: 5/9/18 Dur: 4 days
Res:
I
Start: 5/14/18 ID: 9
Finish: 5/28/18 Dur: 11 days
Res:
G
Start: 5/10/18 ID: 7
Finish: 5/11/18 Dur: 2 days
Res:
H
Start: 5/24/18 ID: 8
Finish: 5/31/18 Dur: 6 days
Res:
F
Start: 5/10/18 ID: 6
Finish: 5/23/18 Dur: 10 days
Res:
K
Start: 6/1/18 ID: 11
Finish: 6/12/18 Dur: 8 days
Res:
A
Start: 4/23/18 ID: 1
Finish: 4/30/18 Dur: 6 days
Res:
Figure 1: Network Diagram of the Project
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b) Expected Completion Time and variance
Activit
y
Time (Days) Expected Time Duration or Mean
(M=(a+4*m+b)/6)
Variance
(V= ((b-a)/6)^2)
a m b
A 3 6 8 5.83 0.6944
B 2 4 4 3.67 0.1111
C 1 2 3 2 0.1111
D 6 7 8 7 0.1111
E 2 4 6 4 0.4444
F 6 10 14 10 1.7778
G 1 2 4 2.17 0.25
H 3 6 9 6 1
I 10 11 12 11 0.1111
J 14 16 20 16.33 1
K 2 8 10 7.33 1.7778
c) Calculation of ES, EF, LS, LF, and Slack
Task Name Early Start Early Finish Late Start Late Finish Total Slack
A Mon 4/23/18 Mon 4/30/18 Wed 5/2/18 Wed 5/9/18 7 days
B Mon 4/23/18 Thu 4/26/18
Mon
4/30/18
Thu 5/3/18 5 days
C Mon 4/23/18 Tue 4/24/18
Mon
4/23/18
Tue 4/24/18 0 days

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D Wed 4/25/18 Thu 5/3/18
Wed
4/25/18
Thu 5/3/18 0 days
E Fri 5/4/18 Wed 5/9/18 Fri 5/4/18 Wed 5/9/18 0 days
F Thu 5/10/18 Wed 5/23/18 Thu 5/10/18 Wed 5/23/18 0 days
G Thu 5/10/18 Fri 5/11/18 Tue 5/15/18 Wed 5/16/18 3 days
H Thu 5/24/18 Thu 5/31/18 Thu 5/24/18 Thu 5/31/18 0 days
I Mon 5/14/18 Mon 5/28/18 Thu 5/17/18 Thu 5/31/18 3 days
J Wed 4/25/18 Wed 5/16/18 Tue 5/22/18 Tue 6/12/18 19 days
K Fri 6/1/18 Tue 6/12/18 Fri 6/1/18 Tue 6/12/18 0 days
d)
Total Completion time and Critical path of the project can be calculated from the Gantt chart of
the project made in Ms-Project.
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ID Task
Mode
Task Name Duration Start Finish Predecessors
0 msproj11 37 days Mon 4/23/18 Tue 6/12/18
1 A 6 days Mon 4/23/18 Mon 4/30/18
2 B 4 days Mon 4/23/18 Thu 4/26/18
3 C 2 days Mon 4/23/18 Tue 4/24/18
4 D 7 days Wed 4/25/18 Thu 5/3/18 3
5 E 4 days Fri 5/4/18 Wed 5/9/18 2,4
6 F 10 days Thu 5/10/18 Wed 5/23/181,5
7 G 2 days Thu 5/10/18 Fri 5/11/18 1,5
8 H 6 days Thu 5/24/18 Thu 5/31/18 6
9 I 11 days Mon 5/14/18 Mon 5/28/18 7
10 J 16 days Wed 4/25/18 Wed 5/16/183
11 K 8 days Fri 6/1/18 Tue 6/12/18 8,9
M F T S W S T M F T S W S T M
Apr 8, '18 Apr 22, '18 May 6, '18 May 20, '18 Jun 3, '18
Figure 2: Gantt chart of the project
The total time for the project is 37 days and the critical path of the project is,
CDEFHK
e) Probability for completing the project in less than 40 days.
P= (number of events for project completing in less than 40 days/total number of events of
project completion)
=2/3
= 0.67 (or 66.67%)
f) Date for 95% probability of completion,
The due date of most pessimistic time duration can be considered as 95% probable date for
outcome,
i.e. 29th June, 2018 (50 working days away from 23rd April, 2018)
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