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Suppose that the lifetimes of tires of a certain brand are normally distributed with a mean of 74,500 miles and a standard deviation of a miles. These tires come with a 55,000-mile warranty. The manufacturer of the tires can adjust o during the production process, but the adjustment of a is quite costly. The manufacturer wants to set 0 once and for all so that only 2% of the tires will fail before warranty expires. Find the standard deviation to be set. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place. miles X

Suppose that the lifetimes of tires of a certain brand are normally distributed with a mean of 74,500 miles and a standard deviation of a miles. These tires come with a 55,000-mile warranty. The manufacturer of the tires can adjust o during the production process, but the adjustment of a is quite costly. The manufacturer wants to set 0 once and for all so that only 2% of the tires will fail before warranty expires. Find the standard deviation to be set. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place. miles X

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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 14PPS
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Suppose that the lifetimes of tires of a certain brand are normally distributed with a mean of 74,500 miles and a standard deviation of a miles. These tires come with a 55,000-mile warranty. The manufacturer of the tires can adjust a during the production process, but the adjustment of o is quite costly. The manufacturer wants to set 0 once and for all so that only 2% of the tires will fail before warranty expires. Find the standard deviation to be set. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place. 77°F Mostly cloudy miles Explanation Check X 5 OL G 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use prt sc W home end F12 insert Privacy Center | Accessibility Spencer delete 1
Transcribed Image Text:Suppose that the lifetimes of tires of a certain brand are normally distributed with a mean of 74,500 miles and a standard deviation of a miles. These tires come with a 55,000-mile warranty. The manufacturer of the tires can adjust a during the production process, but the adjustment of o is quite costly. The manufacturer wants to set 0 once and for all so that only 2% of the tires will fail before warranty expires. Find the standard deviation to be set. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place. 77°F Mostly cloudy miles Explanation Check X 5 OL G 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use prt sc W home end F12 insert Privacy Center | Accessibility Spencer delete 1
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