a) Identify the critical path.   b) What is the expected time to complete the project?    c) What is the variance of the project completion time?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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1) Consider the following list of activities with time (in months)

Activity

A

B

C

D

E

F

G

H

Immediate

Predecessor

-----

-----

A

A,B

A,B

C

D,F

E,G

 

Activity

Optimistic

Most Probable

Pessimistic

A

3.5

4.0

4.5

B

2.0

3.0

7.0

C

6.5

7.5

10.0

D

5.0

5.5

6.0

E

5.0

6.5

8.0

F

8.0

9.5

11

G

6.0

7.0

9.5

H

4.0

5.0

6.0

a) Identify the critical path.

 

b) What is the expected time to complete the project? 

 

c) What is the variance of the project completion time?

 

d) What is the probability of completing in 32 months? 

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