An activity in a network diagram has an optimistic time estimate of seven days, a most likely time estimate of 11 days, and a pessimistic time estimate of 19 days. Its variance is _________.
a) 2
b) 4
c) 6
d) 12
e) 24
Answer: b
Marketing MCQ
Marketing Supply Chain
An activity in a network diagram has an optimistic time estimate of seven days, a most likely time estimate of 11 days, and a pessimistic time estimate of 19 days. Its variance is _________.