TIME ESTIMATES (IN WEEKS) IMMEDIATE MOST ACTIVITY PREDECESSOR(S) OPTIMISTIC LIKELY PESSIMISTIC 8 10 B A 8 24 C A 8 12 16 D A 4 10 E 1 3 F Е, С 8. 20 G Е, С 2 3 4 H F F 6. D, G, H 12 K I, J 2 3 2. 2. 2. 00 6. 4. B.

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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Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Draw the AON network and answer the questions that follow.                                                                                                               a) What is the expected (estimated) time for activity C?
b) What is the variance for activity C?
c) Based on the calculation of estimated times, what is the criticalpath?
d) What is the estimated time of the critical path?
e) What is the activity variance along the critical path?
f) What is the probability of completion of the project before week 36?
TIME ESTIMATES (IN WEEKS)
IMMEDIATE
MOST
ACTIVITY PREDECESSOR(S) OPTIMISTIC LIKELY PESSIMISTIC
8
10
B
A
8
24
C
A
8
12
16
D
A
4
10
E
1
3
F
Е, С
8.
20
G
Е, С
2
3
4
H
F
F
6.
D, G, H
12
K
I, J
2
3
2.
2.
2.
00
6.
4.
B.
Transcribed Image Text:TIME ESTIMATES (IN WEEKS) IMMEDIATE MOST ACTIVITY PREDECESSOR(S) OPTIMISTIC LIKELY PESSIMISTIC 8 10 B A 8 24 C A 8 12 16 D A 4 10 E 1 3 F Е, С 8. 20 G Е, С 2 3 4 H F F 6. D, G, H 12 K I, J 2 3 2. 2. 2. 00 6. 4. B.
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