Question: Time estimates (days) Activity Immediate Predecessor(s) Optimistic Most likely Pessimistic A - 2 3 4 B A 5 5 8 C A 5 6 7

Time estimates (days)

Activity

Immediate Predecessor(s)

Optimistic

Most likely

Pessimistic

A

-

2

3

4

B

A

5

5

8

C

A

5

6

7

D

B, C

3

6

9

E

B

3

4

5

F

C

2

4

6

G

D

2

4.5

7

H

E, F

2

4

9

I

E

5

7

9

Draw the activity-on-node (AON) project network associated with the following activities.

Calculate the expected time and variance for each activity.

Calculate the activity slacks and determine the critical path, using the expected activity times.

What is the probability of completing the project within 21 weeks?

What is the probability of completing the project within 17 weeks?

What project deadline would allow a 85% probability of on-time completion?

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