Question One A regional conglomerate is about to upgrade its customised accounting software System 2000(S2K) across the region. The directors of the group are eager to have the software upgraded to improve the quality of data from the information system. The new software requires reliable internet access and can be accessed from anywhere using a Virtual Private network (VPN) connection. The following activities with times in weeks are under consideration. | Activity Optimistic predecessors time Most likely Most pessimistic time Immediate Variance time A 4 6 8 .4444 В 1 4.5 5 .4444 A 4.5 6.5 7 .1736 D A 4 5 .1111 E В.С 4.5 5.5 8 .3403 F D 3 4 5 .1111 G 1.5 E,F F,G 1 5 .4444 H 5 6 7 .1111 You must use two decimal places at all times for expected times when they are not integer (you are not permitted to round off to integers). (а) (b) (c) Draw the activity network for this problem Determine the Expected Times. Determine the activity schedule (ES, EF, LS, and LF) as well as slack.
Question One A regional conglomerate is about to upgrade its customised accounting software System 2000(S2K) across the region. The directors of the group are eager to have the software upgraded to improve the quality of data from the information system. The new software requires reliable internet access and can be accessed from anywhere using a Virtual Private network (VPN) connection. The following activities with times in weeks are under consideration. | Activity Optimistic predecessors time Most likely Most pessimistic time Immediate Variance time A 4 6 8 .4444 В 1 4.5 5 .4444 A 4.5 6.5 7 .1736 D A 4 5 .1111 E В.С 4.5 5.5 8 .3403 F D 3 4 5 .1111 G 1.5 E,F F,G 1 5 .4444 H 5 6 7 .1111 You must use two decimal places at all times for expected times when they are not integer (you are not permitted to round off to integers). (а) (b) (c) Draw the activity network for this problem Determine the Expected Times. Determine the activity schedule (ES, EF, LS, and LF) as well as 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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Question
![Question One
A regional conglomerate is about to upgrade its customised accounting software System 2000(S2K)
across the region. The directors of the group are eager to have the software upgraded to improve the
quality of data from the information system. The new software requires reliable internet access and
can be accessed from anywhere using a Virtual Private network (VPN) connection. The following
activities with times in weeks are under consideration.
Activity
Most likely Most
pessimistic
time
Immediate
Optimistic
Variance
predecessors
time
time
A
4
6
8
.4444
4.5
6.5
5
5.5
B
1
5
.4444
A
4.5
7
.1736
A.
4
.1111
E
В.С
4.5
8
.3403
F
3
4
.1111
1.5
E,F
F,G
1
.4444
H
6
7
.1111
You must use two decimal places at all times for expected times when they are not integer (you are
not permitted to round off to integers).
Draw the activity network for this problem
Determine the Expected Times.
Determine the activity schedule (ES, EF, LS, and LF) as well as slack.
(а)
(b)
(c)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fafa84166-7533-40b7-8d02-fb86c84525c1%2F8538eba2-3e33-47cf-a1ac-f253cef8d462%2Ff2ljz2m_processed.png&w=3840&q=75)
Transcribed Image Text:Question One
A regional conglomerate is about to upgrade its customised accounting software System 2000(S2K)
across the region. The directors of the group are eager to have the software upgraded to improve the
quality of data from the information system. The new software requires reliable internet access and
can be accessed from anywhere using a Virtual Private network (VPN) connection. The following
activities with times in weeks are under consideration.
Activity
Most likely Most
pessimistic
time
Immediate
Optimistic
Variance
predecessors
time
time
A
4
6
8
.4444
4.5
6.5
5
5.5
B
1
5
.4444
A
4.5
7
.1736
A.
4
.1111
E
В.С
4.5
8
.3403
F
3
4
.1111
1.5
E,F
F,G
1
.4444
H
6
7
.1111
You must use two decimal places at all times for expected times when they are not integer (you are
not permitted to round off to integers).
Draw the activity network for this problem
Determine the Expected Times.
Determine the activity schedule (ES, EF, LS, and LF) as well as slack.
(а)
(b)
(c)
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