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a) What is the critical path?   b) What is the project expected time?   c) What is the probability of completing in 19 weeks?

a) What is the critical path?   b) What is the project expected time?   c) What is the probability of completing in 19 weeks?

Practical Management Science
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

You are in charge of the new project at work which is scheduled to being on May 1. Your project activities, times and descriptions are listed below:

 

 

 

Time (in weeks)

Activity

Description

Immediate

Predecessor

Optimistic

Most Probable

Pessimistic

A

Meet with board

------

1

3

5

B

Hire staff

A

4

6

8

 

C

Brian storm

A

1

2

3

 

D

Write up proposal

B, C

2

3

4

E

Pitch proposal at meeting

B, C

2

4

6

F

Revise Proposal

A

2

3

4

G

Pitch proposal to Board

D

1

2

3

H

Await Board decision

E, G

2

4

6

 

I

Implement plan

H, F

2

2

2

 

a) What is the critical path?

 

b) What is the project expected time?

 

c) What is the probability of completing in 19 weeks?

 

d) What is the probability of completing in 21 weeks?

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d) What is the probability of completing in 21 weeks?

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