Answer Happy

CASE STUDY
[30
Marks]
A computer network company installs network points. The project
manager has been very concerned
with the amount of time it took to complete several recent jobs.
The data obtained (all in days)
for a new contract are listed in the following table:
Activity
Immediate Predecessor
Optimistic Time Most Likely Time
Pessimistic Time

A
---------


4

6
8

B
---------


2

4

6

C
---------


1

2
3


D

B

6

7

8

E

A

2

4

6

F

E

6

10

14

G

D

1

3

5

H
C,D


3

6

9

I
F, G,
H

5

11
17
Answer ALL the questions in this section.
Question 1
Calculate the expected time of activities for this
project. (10 Marks)
Question 2
Construct an AON network for the activities of this
contract. (10 Marks)
Question 3
Determine the critical path for the project using slack.
(10 Marks)