If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be__________________?
(A) 1 + (0.9)010
(B) 1 – (0.9)°l0
(C) 1/(1-0.9°10)
(D) 1/(1+ 0.9010)
If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be__________________?
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