The annual rainfall in a certain region is approximately normally distributed with mean = 41.3 inches and standard deviation = 6 inches. a) What percentage of years will have an annual rainfall of less than 38.3 inches? b) What percentage of years will have an annual rainfall of more than 51.3 inches? c) What percentage of years will have an annual rainfall of between 44.3 and 56.3 inches?

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