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) 3.5 and 5/6 (B) 5 and 25/36 (C) 3.5 and 25/36 (D) 4 and 5/6

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) 3.5 and 5/6
(B) 5 and 25/36
(C) 3.5 and 25/36
(D) 4 and 5/6
by

1 Answer

Answer :

(C) 3.5 and 25/36
by

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