The probability of having a specified return period, Tr, is defined as: Also, (a) Accordin...

The probability of having a specified return period, Tr, is defined as:

Also,

(a) According to the descriptions in parentheses, the second probability should equal the first when n and r are equal to what values?

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(b) Show that both equations result in the same probability for an annual value whose frequency is and the return period is Tr = t = 3 years. Discuss.