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A project has been defined to contain the following list of activities along with their required times for completion.

Activity No.

Activity


Time (Weeks)

Immediate Predecessors


1

Colect requirements

2

-


2

Analyze processes

3

1


3

Analyze data

3

2


4

Design processes

7

2


5

Design data

6

2


6

Design screens

1

3, 4

7

Design reports

5

4, 5

8

Program

4

6, 7

9

Test and document

8

7


10

Install

2

8, 9

a. Draw a network diagram chart for the activities.
b. Calculate the earliest expected completion time.
c. Show the critical path.
d. What would happen if activity 6 were revised to take six weeks instead of one week?
e. Construct a Gantt chart for the project defined above.

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