1. When is the earliest project completion? 2. Which activities are critical (should not be delayed)? 3. Which activities are noncritical (can be delayed)? 4. How long can each of the activities be delayed without delaying the whole project (maximum slack)?
1. When is the earliest project completion? 2. Which activities are critical (should not be delayed)? 3. Which activities are noncritical (can be delayed)? 4. How long can each of the activities be delayed without delaying the whole project (maximum slack)?
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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![Given the activities of a project; their optimistic (to), most likely (tm) and pessimistic
(tp) time estimates; and their immediate predecessors shown below:
1. When is the earliest project completion?
2. Which activities are critical (should not be delayed)?
3. Which activities are noncritical (can be delayed)?
4. How long can each of the activities be delayed without delaying the whole
project (maximum slack)?
Immediate
Activity Times, months
Maximum Slack,
Activities
Predecessors
to
tm
tp
te
months
А
1
4
13
B
A
4
7
16
C
А
2
2
2
D
C
4
14
E
1
3
5
F
E
3
5
13
G
7
10
13
H
G
б
7
14
В, D
F, Н, I
I
1
1
1
J
13
16
25](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd5a120b7-5780-4299-ab11-8b9c435078ac%2Ff7ca43a3-2609-4958-807d-d55253cf730c%2Fe59l7t5_processed.png&w=3840&q=75)
Transcribed Image Text:Given the activities of a project; their optimistic (to), most likely (tm) and pessimistic
(tp) time estimates; and their immediate predecessors shown below:
1. When is the earliest project completion?
2. Which activities are critical (should not be delayed)?
3. Which activities are noncritical (can be delayed)?
4. How long can each of the activities be delayed without delaying the whole
project (maximum slack)?
Immediate
Activity Times, months
Maximum Slack,
Activities
Predecessors
to
tm
tp
te
months
А
1
4
13
B
A
4
7
16
C
А
2
2
2
D
C
4
14
E
1
3
5
F
E
3
5
13
G
7
10
13
H
G
б
7
14
В, D
F, Н, I
I
1
1
1
J
13
16
25
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