Task time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows:
ACTIVITY
|
TIME IN (HOURS)
|
IMMEDIATE PREDECESSORS
|
A
|
6.0
|
-
|
B
|
7.2
|
-
|
C
|
5.0
|
A
|
D
|
6.0
|
B, C
|
E
|
4.5
|
B, C
|
F
|
7.7
|
D
|
G
|
4.0
|
E, F
|
a) Draw the project network using AON.
b) Identify the critical path.
c) What is the expected project length?
d) Draw a Gantt chart for the project.