Question: 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?