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The annual rainfall in a certain region is approximately normally distributed with mean 42.3 inches and standard deviation 5.2 inches. Round answers to the nearest

The annual rainfall in a certain region is approximately normally distributed with mean 42.3 inches and standard deviation 5.2 inches. Round answers to the nearest tenth of a percent.

a) What percentage of years will have an annual rainfall of less than 44 inches?%

b) What percentage of years will have an annual rainfall of more than 39 inches?%

c) What percentage of years will have an annual rainfall of between 38 inches and 43 inches?

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