(a) Construct a project network. (b) Determine the expected times and variances for each activity. (c) Determine the critical path after you have found ES, EF, LS, LF and Slack. State the p d to take
(a) Construct a project network. (b) Determine the expected times and variances for each activity. (c) Determine the critical path after you have found ES, EF, LS, LF and Slack. State the p d to take
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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Transcribed Image Text:Question 1-A
You are provided with the following information for a project, with activity durations given in
days:
Pessimistic
Optimistic
Time (a)
Most Likely
Time (b)
Immediate
Activity
Predecessor
Time (c)
8.
11
C.
6.
А, В
В, С
10
E
6.
5.
10
F
C
G
Е, F
12
H.
4
13
16
E, G, H
G, I, F
10
J
12
15
17
K
H.
8.
11
14
Curlan Gilchrist
Ouantitative Methods (BUSI 319)
t. George's University
4 8 70
265m470
AB
![NOVO ideapad 330S
Siim profile
larrow bezels
Fast charging
(a) Construct a project network.
(b) Determine the expected times and variances for each activity.
(c) Determine the critical path after you have found ES, EF, LS, LF and Slack. State the path
and time the project is expected to take.
(d) What is the probability that the project would be completed within 51 days?
(e) What is the probability that the project would be completed within 55 days?
Note the formulae for expected time and variance respectively:
a+4m+b
(b-a)(b-a)
E[T] =
V[T] =
%3D
6.
36
CH](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8401e215-d29e-4020-8e4b-8820bf86ba86%2F9f59934b-bf73-47cf-b378-7ed8ce1482e0%2Fuh89vbf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:NOVO ideapad 330S
Siim profile
larrow bezels
Fast charging
(a) Construct a project network.
(b) Determine the expected times and variances for each activity.
(c) Determine the critical path after you have found ES, EF, LS, LF and Slack. State the path
and time the project is expected to take.
(d) What is the probability that the project would be completed within 51 days?
(e) What is the probability that the project would be completed within 55 days?
Note the formulae for expected time and variance respectively:
a+4m+b
(b-a)(b-a)
E[T] =
V[T] =
%3D
6.
36
CH
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