Mary is planning her wedding and develops the following preliminary information.
Immediate Estimated
Activity Predecessor Normal Time
A (select wedding date) none 3 week
B (select wedding location) none 4 weeks
C (guest list, whose attending) A, B 4 weeks
D (select entertainment) A 3 weeks
E (choose catering) A, C 2 weeks
F (wedding day) D, E 0 weeks
a. Draw the network for this project.
b. What is the critical path(s)?
Activity
Immediate Predecessor
Time
(weeks)
Earliest
Start
Earliest
Finish
Latest
Start
Latest Finish
Slack
A
---
3
0
3
1
4
1
B
---
4
0
4
0
4
0
C
A, B
4
4
8
4
8
0
D
A
3
3
6
7
10
4
E
A, C
2
8
10
8
10
0
F
D, E
0
10
10
10
10
0
c. What is the project completion time?
d. What activity has the most slack?
e. What wedding activities did Mary leave out of her analysis? List them and now redraw the project network (but do NOT try to assign activity times or work out the new solution). What did you learn?
