SOLUTION: a region is prone to flooding once every 20 years. what is the probability of flooding for three consecutive years?

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Question 181529: a region is prone to flooding once every 20 years. what is the probability of flooding for three consecutive years?
Answer by Mathtut(3670) About Me  (Show Source):
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if the probability for flooding 1 year is 1/20
the probablility for flooding 3 consecutive years is
:
(1/20)(1/20)(1/20)=1/8000