6A line manager provides you with three estimates for his activity in your PERT network. H
6 A line manager provides you with three estimates for his activity in your PERT network. His estimates are 2 weeks optimistically, 4 weeks most likely, and 12 weeks pessimistically. The expected time which would appear on the chart would be:
A. 4 weeks
B. 5 weeks
C. 6 weeks
D. 7 weeks
E. None of the above