Calculating the expected time and variance for all of these activities. -Drawing the full network with the Activity on Node Style.  -Calculate what the Criticial Path is using CPM method.  -Activity variance for the critical path and the standard deviation  -Finding the probability of completing of the project before 41 weeks using the Simple Way

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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I need help with the following: 

-Calculating the expected time and variance for all of these activities.

-Drawing the full network with the Activity on Node Style. 

-Calculate what the Criticial Path is using CPM method. 

-Activity variance for the critical path and the standard deviation 

-Finding the probability of completing of the project before 41 weeks using the Simple Way

IMMEDIATE
ACTIVITY PREDECESSOR(S) OPTIMISTIC
A
4
B
2
8
4
с
D
E
F
G
H
1
J
K
A
A
A
B
TIME ESTIMATES (IN WEEKS)
MOST
LIKELY
E, C
E, C
F
F
D, G, H
I, J
1
6
2
2
6
4
2
8
8
12
6
00
2
8
3
2
6
0)
2
PESSIMISTIC
10
24
16
10
3
20
4
لها
2
6
12
3
Transcribed Image Text:IMMEDIATE ACTIVITY PREDECESSOR(S) OPTIMISTIC A 4 B 2 8 4 с D E F G H 1 J K A A A B TIME ESTIMATES (IN WEEKS) MOST LIKELY E, C E, C F F D, G, H I, J 1 6 2 2 6 4 2 8 8 12 6 00 2 8 3 2 6 0) 2 PESSIMISTIC 10 24 16 10 3 20 4 لها 2 6 12 3
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