The owner of a "Sweet Things Bakery" is considering a new computer system for accounting and inventory control. A computer company sent the following information about the system installation. Immediate Activity Predecessor Most Optimistic Likely Most Most Pessimistic A -- 2 3 4 B -- 2 3 10 C A 8 11 14 D A 3 13 17 E B 2 4 12 F C 4 5 18 G D, E 6 7 14 H F, G 6 9 18 (i). Determine the expected time and variance for each activity (ii). Draw the activity network for this project, showing the ES, EF, LS, LF and slack for each activity. (iii). State the critical path for the project. (iv). What are the expected time and variance of the project? (v). What is the probability that the project will be completed in 25 days? (vi). What completion time has a 98% chance of being met?

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 5.1SD: Scenario 4 Sharon Gillespie, a new buyer at Visionex, Inc., was reviewing quotations for a tooling...
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Question 2
The owner of a "Sweet Things Bakery” is considering a new computer system for accounting and inventory
control. A computer company sent the following information about the system installation.
Immediate
Most
Most
Most
Activity Predecessor Optimistic
Likely Pessimistic
A
2
3
4
B
2
3
10
C
A
8
11
14
D
A
3
13
17
E
B
2
4
12
F
C
4
5
18
G
D, E
6
7
14
H
F, G
6
9
18
(i). Determine the expected time and variance for each activity
(ii). Draw the activity network for this project, showing the ES, EF, LS, LF and slack for each activity.
(iii). State the critical path for the project.
(iv). What are the expected time and variance of the project?
(v). What is the probability that the project will be completed in 25 days?
(vi). What completion time has a 98% chance of being met?
Transcribed Image Text:Question 2 The owner of a "Sweet Things Bakery” is considering a new computer system for accounting and inventory control. A computer company sent the following information about the system installation. Immediate Most Most Most Activity Predecessor Optimistic Likely Pessimistic A 2 3 4 B 2 3 10 C A 8 11 14 D A 3 13 17 E B 2 4 12 F C 4 5 18 G D, E 6 7 14 H F, G 6 9 18 (i). Determine the expected time and variance for each activity (ii). Draw the activity network for this project, showing the ES, EF, LS, LF and slack for each activity. (iii). State the critical path for the project. (iv). What are the expected time and variance of the project? (v). What is the probability that the project will be completed in 25 days? (vi). What completion time has a 98% chance of being met?
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