Question 3
A project has activities and duration times in days as shown in the table below:
Activities
A
B
C
D
E
F
G
H
I
J
Immediate Predecessor
-
-
-
A
B
C
C
E,F
D
H,G
Optimistic Time
6
3
4
2
3
4
3
6
5
3
Most LikelyTime
7
5
7
3
4
8
3
6
8
3
PessimisticTime
8
7
10
4
11
12
9
12
11
9
Required:
(i) Calculate the expected (mean) time for each activity
(5 marks)
(ii) Calculate the variance for each activity
(5 marks)
(iii) Construct the project activity network diagram using the AON methodology and
indicate the ES,EF,LS,LFand Slack for each activity
(8 marks)
(iv) Identify the critical path through the network diagram.
(2 marks)
(v) What is the earliest time that the project may be completed?
(3 marks)
(vi) Identify burst activities and merge activities on the network diagram. (2 marks)
Question 4
Feasibility studies are essential in ensuring that projects are viable, sustainable, and aligned
with organisational objectives. Critically evaluate the role of feasibility studies in project
management, analysing how different types of feasibility assessments influence project
decision-making. Using relevant examples, apply your knowledge to assesshow organisations
can effectively integrate feasibility study findings into project selection, planning, and
execution to enhance project success.
(25 marks)
Question 5
Explain the concept of project life cycles in project management and demonstrate how each
stage is essential for successful project management.
(25 marks)