Assuming a beta distribution is being used, if the most pessimistic time for an activity increases by six weeks, what will happen to the expected time for that activity?
A) It will increase by one week.
B) It will decrease by one week.
C) It will increase by six weeks.
D) It will remain the same.

Question

Quizplus · Accepted Answer

The expected time for an activity using a beta distribution is calculated as (optimistic + 4*most likely + pessimistic) / 6. Increasing the most pessimistic time by six weeks increases the numerator by six weeks, but spread over six divisions, resulting in a one-week increase in the expected time.

Assuming a Beta Distribution Is Being Used, If the Most