Draw a network diagram for this problem, Applied Statistics

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The project of building a backyard swimming pool consists of eight major activities and has to be completed within 19 weeks. The activities and related data are given in the following table:

Activity

Immediate predecessor

Activity time (weeks)

A

-

3

B

-

6

C

A

2

D

B,C

5

E

D

4

F

E

3

G

B,C

9

H

F,G

3

a. Draw a network diagram for this problem. 

b. Determine the critical path and the expected project completion time.


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