(a) Construct the network diagram?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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(a) Construct the network diagram?

You are provided with the following information for a project, with activity durations
given in weeks:
Activity
Immediate
Optimistic
Most Likely Pessimistic
Time (m)
Predecessor
Time (a)
Time (b)
A
3
4
B
4
6
C
A
1
3
D
B
3
6
E
C, D
7
8
9
F
D
4
7
10
G
E
3
4
5
H
Е, F
6
9
12
2.
Transcribed Image Text:You are provided with the following information for a project, with activity durations given in weeks: Activity Immediate Optimistic Most Likely Pessimistic Time (m) Predecessor Time (a) Time (b) A 3 4 B 4 6 C A 1 3 D B 3 6 E C, D 7 8 9 F D 4 7 10 G E 3 4 5 H Е, F 6 9 12 2.
Estimated
Optimistic
Most Likely
Time
Pessimistic Time
Variance
Time
Time
(Tе)
Activity
Preceding Tasks
(Тр) m
Var = ((Tp-
(Tm) b
(Weeks) (To+4*Tm+T
p)/6
(To) a
Te =
(Weeks)
To)^2)/(6^2)
(Weeks)
A.
2
4
0.11
В
2
6
4
4
0.44
A
1.
3
2
2
0.11
В
3
6
1.00
C,D
7
8
0.11
4
10
7
7
1.00
G
E
3
4
4
0.11
E,F
12
1.00
Transcribed Image Text:Estimated Optimistic Most Likely Time Pessimistic Time Variance Time Time (Tе) Activity Preceding Tasks (Тр) m Var = ((Tp- (Tm) b (Weeks) (To+4*Tm+T p)/6 (To) a Te = (Weeks) To)^2)/(6^2) (Weeks) A. 2 4 0.11 В 2 6 4 4 0.44 A 1. 3 2 2 0.11 В 3 6 1.00 C,D 7 8 0.11 4 10 7 7 1.00 G E 3 4 4 0.11 E,F 12 1.00
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