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GATE Exam Questions - Engineering

Q1:

The return period for the annual maximum flood of a given magnitude is 8 years. The probability that this flood magnitude will be exceeded once during the next 5 years is

A 0.625

B 0.966

C 0.487

D 0.529

ANS:C - 0.487

The probability of accidents once during the next five years has been asked and not the probability of exceeding at least once in the next 5 years.

So, 5C1(1/8)(7/8)^4 = 0.3664.