The Formula to Calculate the Expected Time or the Weighted $(a+4 m+b)$

Multiple Choice

The formula to calculate the expected time or the weighted average of the tasks, using the three time estimates for each task, is ________.

A) $(a+4 m+b)$
B) $(a-4 m-b) / 6$
C) $(a-4 m-b)$
D) $6(a+4 m+b)$
E) $(a+4 m+b) / 6$