Sample PMP Question: August 2014

John completed the risk analysis and he knows that the expected value is 100 days with a standard deviation of 12 days.  John can be approximately 95% certain that the activity will take between:

A.    88 and 112 days
B.    64 and 136 days
C.    94 and 106 days
D.    76 and 124 days


D: There is a 95% probability that the work will finish within plus or minus two standard deviations.  The expected value is 100, and the standard deviation times two is 24, so the activity will take between 76 and 14 days.

Question data supplied by: 1000 Challenge PMP Questions
Author: Mohit Arora
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About Kevin Archbold

Kevin Archbold, PMP, PMI-SP, has over 30 years of project management experience with large and small organizations in a variety of industries, including automotive, nuclear, telecommunications, trucking, IT, recruiting, mining, construction, and government. Kevin has presented at local and national levels within the Project Management Institute (PMI), is the winner of a local chapter PMI Project of the Year Award, and is the current president of a PMI Chapter.

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