If any activity is optimistic, most likely and pessimistic as 2, 3 and 7, respectively, its expected time and difference is respectively
A. 3.5 and 5/6
B. 5 and 25/36
C. 3.5 and 25/36
D. 4 and 5/6
Answer:C
If any activity is optimistic, most likely and pessimistic as 2, 3 and 7, respectively, its expected time and difference is respectively
A. 3.5 and 5/6 B. 5 and 25/36 C. 3.5 and 25/36 D. 4 and 5/6