A flood discharge has a recurrence interval of 50 years.
(1) What is the probability of a flood of that magnitude or greater occurring during the next year?
(2) What is the probability of it not occurring during the next year?
(3) What is the probability of it occurring during the next 30 years?
(4) What is the probability of it not occurring during the next 30 years?
(5) What is the probability of it occurring during the next 50 years?
(6) What is the probability of it occurring during the next 100 years?