Ques 162 (PMP Practice Ques by Sean Whitaker)

While completing the cost estimating process for a particular activity in your project, several members of your team disagree over the estimate to do the work. After discussion with the team you determine the most likely cost of activity will be $25, optimistic will be $15, pessimistic cost will be $70.Using three point estimating technique what is the expected cost of the activity?

A. 36.66

B 30.83

C 110

D 25.83

HOW DO WE COME TO KNOW IF THE QUESTION IS ASKING TO USE TRIANGULAR DISTRIBUTION OR BETA (WEIGHTED) DISTRIBUTION? QUESTION SAYS THREE POINT DISTRIBUTION. I BELIEVE BOTH ARE THREE POINT AS PER PMBOK 5 PAGE 206.

ALSO, ANSWERS USING BOTH THE CHOICES ARE IN THE 4 OPTIONS PROVIDED.