(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
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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
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
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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