The annual rainfall in a certain region is approximately normally distributed with mean 40.6 inches and standard deviation 6.1 inches. Round answers to the nearest tenth of a percent. a) What percentage of years will have an annual rainfall of less than 43 inches? % b) What percentage of years will have an annual rainfall of more than 38 inches? % C) What percentage of years will have an annual rainfall of between 37 inches and 41 inches? %

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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The annual rainfall in a certain region is
approximately normally distributed with mean
40.6 inches and standard deviation 6.1 inches.
Round answers to the nearest tenth of a percent.
a) What percentage of years will have an annual
rainfall of less than 43 inches?
%
b) What percentage of years will have an annual
rainfall of more than 38 inches?
%
c) What percentage of years will have an annual
rainfall of between 37 inches and 41 inches?
Transcribed Image Text:The annual rainfall in a certain region is approximately normally distributed with mean 40.6 inches and standard deviation 6.1 inches. Round answers to the nearest tenth of a percent. a) What percentage of years will have an annual rainfall of less than 43 inches? % b) What percentage of years will have an annual rainfall of more than 38 inches? % c) What percentage of years will have an annual rainfall of between 37 inches and 41 inches?
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