Which value is not used to calculate the estimated duration using three-point estimating techniques?

A. Most likely estimate
B. Standard estimate
C. Optimistic estimate
D. Pessimistic estimate

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HINT: Look for the estimate that is not mentioned in the PMBOK^® Guide.

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Answer and Explanation:
The correct answer is B

Most likely, optimistic, and pessimistic estimates are the three types of estimates used to define an approximate value and range for an activity's duration using three-point estimating techniques.

Details for each option:

A. Most likely estimate
Incorrect. The most likely estimate is one of the three values.

B. Standard estimate
Correct. 'Standard estimate' is not a PMBOK® Guide term.

C. Optimistic estimate
Incorrect. The optimistic estimate is one of the three values.

D. Pessimistic estimate
Incorrect. The pessimistic estimate is one of the three values.

Reference: Guide to the Project Management Body of Knowledge, (PMBOK^® Guide) – Sixth Edition, Project Management Institute Inc., 2017, Page(s) 201