e) The activity variance along the critical path is|weeks. (Round your response to two decimal places.)

Purchasing and Supply Chain Management
6th Edition
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
ChapterC: Cases
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Problem 5.3SD: Scenario 4 Sharon Gillespie, a new buyer at Visionex, Inc., was reviewing quotations for a tooling...
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please answer part e

Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the
following table for building new motels.
Time (weeks)
Immediate
Time (weeks)
Immediate
Activity
b
Predecessor(s) Activity
b
Predecessor(s)
a
m
a
m
A
4
12
G
3
3
4
C, E
В
2
23
A
H
2
8
12
16
A
5
F
D, G, H
I, J
4
10
A
J
4
7
14
E
1
3
4
B
K
3
3
4
F
6
9
21
С, Е
a) The expected (estimated) time for activity C is 12 weeks. (Round your response to two decimal places.)
b) The variance for activity C is 1.78 weeks. (Round your response to two decimal places.)
c) Based on the calculation of the estimated times, the critical path is A-B - E -F- H - J - K.
d) The estimated time for the critical path is 43.85 weeks. (Round your response to two decimal places.)
e) The activity variance along the critical path is | weeks. (Round your response to two decimal places.)
Transcribed Image Text:Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Time (weeks) Immediate Time (weeks) Immediate Activity b Predecessor(s) Activity b Predecessor(s) a m a m A 4 12 G 3 3 4 C, E В 2 23 A H 2 8 12 16 A 5 F D, G, H I, J 4 10 A J 4 7 14 E 1 3 4 B K 3 3 4 F 6 9 21 С, Е a) The expected (estimated) time for activity C is 12 weeks. (Round your response to two decimal places.) b) The variance for activity C is 1.78 weeks. (Round your response to two decimal places.) c) Based on the calculation of the estimated times, the critical path is A-B - E -F- H - J - K. d) The estimated time for the critical path is 43.85 weeks. (Round your response to two decimal places.) e) The activity variance along the critical path is | weeks. (Round your response to two decimal places.)
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