The following PMP® exam sample question is taken from the Free PMP Exam Simulator:

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The PMBOK Guide recommends the use of the PERT formula for estimating durations and costs. However, there are situations when three points (optimistic, most likely and pessimistic) are not available. Rather, only upper and lower limits are available. For these kinds of situations, which statistical distribution can you use for your estimations?

A.) Beta Distribution
B.) Uniform Distribution
C.) Normal Distribution