With details, A project manager has collected the following information for her new software application project tocreate a customer database.Activity IDABCDEFGH1JKActivity DescriptionLSystems designSubsystem A designSubsystem B designSubsystem C designProgram AProgram BProgram CSubsystem A testSubsystem B testSubsystem C testPredecessorAAABCDE, FGH, IJOptimistic6K1140301115556Duration (Day)Most Likely18c) Compute the project duration and identify the critical path.d) Compute the probability the project will be done in 108 days.e) With a probability of 90%, how long does the project take?2360402220101012Pessimistic1033IntegrationIntegration testa) Develop the project network diagram.b) Complete the forward and backward pass, and compute activity slack. Use PERT techniques forproject activities duration.5805033251515185

Activity duration and variance can be calculated using the standard equation as specified below.…

A project manager has collected the following information for her new software application project to create a customer database. Activity ID A B C D E F G H I J K Activity Description Predecessor L Systems design Subsystem A design Subsystem B design Subsystem C design Program A Program B Program C Subsystem A test Subsystem B test Subsystem C test A A A B с D E, F G H, I J Optimistic 6 K 1 1 40 30 1 1 15 5 5 Duration (Day) Most Likely 6 8 2 3 60 40 2 2 20 10 10 12 3 Pessimistic 10 3 5 80 Integration Integration test a) Develop the project network diagram. b) Complete the forward and backward pass, and compute activity slack. Use PERT techniques for project activities duration. c) Compute the project duration and identify the critical path. 50 3 3 25 15 15 18 5

A project manager has collected the following information for her new software application project to create a customer database. Activity ID A B C D E F G H I J K Activity Description Predecessor L Systems design Subsystem A design Subsystem B design Subsystem C design Program A Program B Program C Subsystem A test Subsystem B test Subsystem C test A A A B с D E, F G H, I J Optimistic 6 K 1 1 40 30 1 1 15 5 5 Duration (Day) Most Likely 6 8 2 3 60 40 2 2 20 10 10 12 3 Pessimistic 10 3 5 80 Integration Integration test a) Develop the project network diagram. b) Complete the forward and backward pass, and compute activity slack. Use PERT techniques for project activities duration. c) Compute the project duration and identify the critical path. 50 3 3 25 15 15 18 5

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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Question

With details,

A project manager has collected the following information for her new software application project to
create a customer database.
Activity ID
A
B
C
D
E
F
G
H
1
J
K
Activity Description
L
Systems design
Subsystem A design
Subsystem B design
Subsystem C design
Program A
Program B
Program C
Subsystem A test
Subsystem B test
Subsystem C test
Predecessor
A
A
A
B
C
D
E, F
G
H, I
J
Optimistic
6
K
1
1
40
30
1
1
15
5
5
6
Duration (Day)
Most Likely
1
8
c) Compute the project duration and identify the critical path.
d) Compute the probability the project will be done in 108 days.
e) With a probability of 90%, how long does the project take?
2
3
60
40
2
2
20
10
10
12
Pessimistic
10
3
3
Integration
Integration test
a) Develop the project network diagram.
b) Complete the forward and backward pass, and compute activity slack. Use PERT techniques for
project activities duration.
5
80
50
3
3
25
15
15
18
5

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Step 1: Activity duration and variance

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Step 2: Network diagram

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Step 3: Calculate the activity duration and variance

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Step 4: Activity forward and backward passing operation

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Step 5: Critical path and durations

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based on the information solved please answer part d) & e)

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