An Activity Has an Optimistic Time Estimate of 25 Days,a

Multiple Choice

An activity has an optimistic time estimate of 25 days,a most likely estimate of 29 days,and a pessimistic estimate of 34 days.What is the expected duration of the activity?

A) Less than 31 days but greater than or equal to 29 days
B) Less than 29 days but greater than or equal to 27 days
C) Less than 27 days but greater than or equal to 25 days
D) Less than 25 days