If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively___________________?

A. 5 and 25/36

B. 4 and 5/6

C. 3.5 and 25/36

D. 3.5 and 5/6

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.