PE Civil Practice: Estimating the Likelihood of a Storm Event Using Return Period

NCEES Civil PE Specification Hydraulics and Hydrology: Storm characteristics and runoff analysis (storm frequency)

Problem

A 2-hour rainfall of 5 inches intensity has a return period of 10 years. The probability that 2-hours of rainfall with intensity of 5 inches or more will occur at least once during the next 5 years is most nearly:

Select an Answer:

A) 20%
B) 40%
C) 60%
D) 80%

Practice Question: Estimating the Likelihood of a Storm Event Using Return Period

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