Problem 5 . The following probabilistic activity time estimates are for a CPM/PE
ID: 469458 • Letter: P
Question
Problem 5.
The following probabilistic activity time estimates are for a CPM/PERT network.
Time Estimates (days)
Time Estimates (days)
Activity
a
m
b
Activity
a
m
b
1
1
2
6
7
1
1.5
2
2
1
3
5
8
1
3
5
3
3
5
10
9
1
1
5
4
3
6
14
10
2
4
9
5
2
4
9
11
1
2
3
6
2
3
7
12
1
1
1
Determine the following:
Expected activity times
Earliest start and finish times
Latest start and finish times
Activity Slack
Critical Path
Expected Project duration and standard deviation.
Time Estimates (days)
Time Estimates (days)
Activity
a
m
b
Activity
a
m
b
1
1
2
6
7
1
1.5
2
2
1
3
5
8
1
3
5
3
3
5
10
9
1
1
5
4
3
6
14
10
2
4
9
5
2
4
9
11
1
2
3
6
2
3
7
12
1
1
1
Explanation / Answer
as per the given network diagram