Consider the following table and answer the questions that follow
Activity
|
Description
|
Predecessor
|
Optimistic time in days
|
Most likely time In days
|
Pessimistic time in days
|
A
|
Position recruiting
|
|
5
|
8
|
17
|
8
|
System development
|
|
3
|
12
|
15
|
C
|
System training
|
A
|
4
|
7
|
10
|
D
|
Equipment training
|
A
|
5
|
8
|
23
|
|
Manual system test
|
B,C
|
1
|
1
|
1
|
F
|
Preliminary system change over
|
B,C
|
1
|
4
|
13
|
G
|
Computer personnel Interface
|
0,E
|
3
|
6
|
9
|
H
|
Equipment modification
|
D,E
|
1
|
2.5
|
7
|
|
Equipment testing
|
H
|
1
|
1
|
1
|
System debugging
and Installation
|
F,G
|
2
|
2
|
2
|
|
Equipment changeover
|
1,1
|
5
|
8
|
11
|
1.1 Determine the expected activity times
1.2 Develop an activity on arrow network diagram (ADA)
1.3 Determine the earliest start and finish times; and the latest start and finish time
1.4 Determine the critical path
1.5 Determine the expected project duration