Consider the activities, durations, and predecessor relationships in the following network, shown in Table 6 below. Draw the network and answer the questions that follow. Table 5 Activity Description Predecessor(s) A B C Optimistic Most Likely Pessimistic (Weeks) 10 Immediate (Weeks) (Weeks) 4 7 2 8 A 8 20 A 12 16 D B 1 2 3 D, C C 6 2 8. 22 F F 2 2 10 E, G, H 4 1 12 3 a) What is the expected time for activity B? b) What is the variance for activity B? c) Based on the calculation of estimated times, what is the critical path? d) What is the estimated time of the critical path?

Marketing
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ISBN:9780357033791
Author:Pride, William M
Publisher:Pride, William M
Chapter6: Target Markets: Segmentation And Evaluation
Section: Chapter Questions
Problem 17DRQ: Under what conditions might a firm use multiple forecasting methods?
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QUESTION 8
Consider the activities, durations, and predecessor relationships in the following network,
shown in Table 6 below. Draw the network and answer the questions that follow.
Table 5
Pessimistic
Activity
Description
Most Likely
(Weeks)
Immediate
Optimistic
Predecessor(s)
(Weeks)
(Weeks)
A
4
10
---
A
2
8
20
A
12
16
D
1
2
E
D, C
22
F
3
4
G
F
2
2
F
6
8
10
E, G, H
4
8
12
J
2
3
a) What is the expected time for activity B?
b) What is the variance for activity B?
c) Based on the calculation of estimated times, what is the critical path?
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 42?
Transcribed Image Text:QUESTION 8 Consider the activities, durations, and predecessor relationships in the following network, shown in Table 6 below. Draw the network and answer the questions that follow. Table 5 Pessimistic Activity Description Most Likely (Weeks) Immediate Optimistic Predecessor(s) (Weeks) (Weeks) A 4 10 --- A 2 8 20 A 12 16 D 1 2 E D, C 22 F 3 4 G F 2 2 F 6 8 10 E, G, H 4 8 12 J 2 3 a) What is the expected time for activity B? b) What is the variance for activity B? c) Based on the calculation of estimated times, what is the critical path? 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 42?
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ISBN:
9780357033791
Author:
Pride, William M
Publisher:
South Western Educational Publishing