Statistics Operations Management Supply Chain Management AON Networks

Statistics Operations Management Supply Chain Management AON Networks: 

 

 

1.  A network consists of the following list.  Times are given in weeks.

Activity

Preceding

Optimistic

Probable

Pessimistic

A

5

11

14

B

3

3

9

C

6

10

14

D

A, B

3

5

7

E

B

4

6

11

F

C

6

8

13

G

D, E

2

4

6

H

F

3

3

9

a.  Draw the AON network diagram.

b.  Calculate the expected duration and variance of each activity.

c.  Calculate the expected duration and variance of the critical path.

d.  Calculate the probability that the project will be completed in less than 28 weeks.

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