If the optimistic estimate for an activity is 12 days, and the pessimistic estimate is 18 days, what is the standard deviation of this activity?
A. 1
B. l.3
C. 6
D. 3
Answer A
If the optimistic estimate for an activity is 12 days, and the pessimistic estimate is 18 days, what is the standard deviation of this activity?
A. 1
B. l.3
C. 6
D. 3
Answer A