Please calculate the Ls and Lf for K-A
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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Please calculate the Ls and Lf for K-A
Transcribed Image Text:K
Kelle Carpet and Trim installs carpet in commercial offices. Peter Kelle has been very concerned with the amount of time it took to complete several recent jobs.
Some of his workers are very unreliable. A list of activities and their optimistic completion time, the most likely completion time, and the pessimistic completion time
(all in days) for a new contract are given in the following table:
Activity
A
B
C
D
E
F
a
4
3
2
6
3
Time (days)
7
m
5
4
3
7
5
11
This exercise contains only parts b, c, and d.
b) Activities on the critical path for the project are
b
8
5
4
8
7
13
Immediate
Predecessor(s)
B, D
A, E
Activity
G
H
I
J
K
Activity
a
C-D-E-F-H-K
The total project completion time is 40.67 days. (Round your response to two decimal places.)
c) For the given project, the earliest start (ES) and earliest finish (EF) are:
(Round your responses to two decimal places.)
ES
1
5
10
15
4
EF
Time (days)
m
2
7
11
17
8
b
3
9
12
19
12
D
Immediate
Predecessor(s)
A, E
F
G
C
H, I
Transcribed Image Text:For the given project, the latest start (LS) and latest finish (LF) are:
(Round your responses to two decimal places.)
ABCDEFGH - X
А
с
K
Activity
K
0
0
0
3
10
15
15
25.67
17
3
32.67
LS
5.33
4
3
10
15
25.67
17
32.67
28
20
40.67
LF
Expert Solution
Step 1 Introduction:-
A network diagram shows the sequence of the task that is done to complete a project. It usually shows the link of each task with the duration taken by each activity with respect to the completion of the project. Each task is shown with the nodes that are connected with each other with the help of arrows. There are 2 types of network diagrams:- CPM and PERT.
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