Question
The annual rainfall in a particular area of the country is normally distributed, with mean 100 cm and standard deviation 20 cm. A drought is
The annual rainfall in a particular area of the country is normally distributed, with mean 100 cm and standard deviation 20 cm. A drought is said to occur after a year in which the annual rainfall dips below the 20th percentile. For a year to be classified as a year of drought, what would the annual rainfall in this area of the country have to be?
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Mathematical Interest Theory
Authors: Leslie Jane, James Daniel, Federer Vaaler
3rd Edition
147046568X, 978-1470465681
