The estimated mean time for an activity with a most likely time (m)equal to 11 days,the optimistic time (a)equal to 6 days,and the pessimistic time (b)equal to 18 days is
A)9.67 days.
B)11 days.
C)11.33 days.
D)11.67 days.

Question

Quizplus · Accepted Answer

The estimated mean time (TE) can be calculated using the formula:

TE = (a + 4m + b) / 6

Substituting the given values, we get:

TE = (6 + 4(11) + 18) / 6 
TE = 45 / 6 
TE = 7.5

Therefore, the estimated mean time is 7.5 days, which is closest to 11.33 days (choice C).

The Estimated Mean Time for an Activity with a Most