The managers at AllBirds have operations in multiple countries, which operate on different financial management systems. This has been increasingly challenging for the company, so the Justin is looking to consolidate and integrate the financial management across all locations into a single software system that can operate across the national boundaries. This is a new, complicated and lengthy project, so Justin has identified a set of activity categories that will need to be carefully managed, as noted in the table. Draw the project network, and compute the expected time and variance for each activity.  Develop an activity schedule for this project, compute activity slack time and identify critical path.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The managers at AllBirds have operations in multiple countries, which operate on different financial management systems. This has been increasingly challenging for the company, so the Justin is looking to consolidate and integrate the financial management across all locations into a single software system that can operate across the national boundaries.

This is a new, complicated and lengthy project, so Justin has identified a set of activity categories that will need to be carefully managed, as noted in the table.

  1. Draw the project network, and compute the expected time and variance for each activity. 

  2. Develop an activity schedule for this project, compute activity slack time and identify critical path.

Activities
A
B
с
D
E
F
G
H
I
Immediate
Predecessors
A
A
B, C
с
C
E
E, F
D, G, H
Optimistic
time (months)
2
0.5
1
23
1.5
4
3
6
Most probable
time (months)
3
1
2
3
5
3
7
5
8
Pessimistic
time (months)
5
2.5
3.5
6
8.5
5.5
10
8
12
Transcribed Image Text:Activities A B с D E F G H I Immediate Predecessors A A B, C с C E E, F D, G, H Optimistic time (months) 2 0.5 1 23 1.5 4 3 6 Most probable time (months) 3 1 2 3 5 3 7 5 8 Pessimistic time (months) 5 2.5 3.5 6 8.5 5.5 10 8 12
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