(a) Which activities form the critical path? (b) What is the estimated time of the critical path? (c) What are the project variance and the project standard deviation?
(a) Which activities form the critical path? (b) What is the estimated time of the critical path? (c) What are the project variance and the project standard deviation?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
Related questions
Question
(a) Which activities form the critical path?
(b) What is the estimated time of the critical path?
(c) What are the project variance and the project standard deviation?
(d) What is the probability of completion of the project before week 42?
Transcribed Image Text:Optimistic Probable Pessimistic Expected
Activity Preceding
Variance
Time
Time
Time
Time
A
--
7
10
19
11
4
B
A
2
2
8
3
1
C
A
8
12
16
12
1.78
D
A
E
B
34
5
10
5.5
1.36
6
8
6
0.44
F
B
G
C, F
H
D
622
8
10
8
0.44
32
4
3
0.11
8
3
1
|
H
J
G, I
79
6
00
8
16
9
2.78
4
CO
6
14
7
2.78
K
E, J
2
LO
8
5
1
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