GreenzTech Inc. is planning on installing a new computerised accounting system. For this project, they have established the following activities, precedence relationships, and time estimates in weeks: 1. Based on the calculation what is the slack?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.4: Multiple Regression Models
Problem 12P
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GreenzTech Inc. is planning on installing a new computerised accounting system. For this
project, they have established the following activities, precedence relationships, and time
estimates in weeks:

1. Based on the calculation what is the slack?

Activity
a
b
С
d
f
g
h
i
k
Immediate
Predecessors
none
none
a
b, c
b, c
d, e
d, e
h
f, g
Optimistic
(a)
5
3
4
5
1
1
3
1
1
2
5
Most
Likely
(m)
8
12
7
8
1
4
6
2.5
1
2
8
Pessimistic
(b)
17
15
10
23
1
13
9
7
1
2
11
Transcribed Image Text:Activity a b С d f g h i k Immediate Predecessors none none a b, c b, c d, e d, e h f, g Optimistic (a) 5 3 4 5 1 1 3 1 1 2 5 Most Likely (m) 8 12 7 8 1 4 6 2.5 1 2 8 Pessimistic (b) 17 15 10 23 1 13 9 7 1 2 11
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