2.52 Tires of a particular brand have a lifetime mean of 29,000 miles and a standard deviation...

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2.52 Tires of a particular brand have a lifetime mean of 29,000 miles and a standard deviation of 3,000 miles.

a. It can be guaranteed that 75% of the lifetimes of tires of this brand will be in what interval?

b. Using the empirical rule, it can be estimated that approximately 95% of the lifetimes of tires of this brand will be in what interval?

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Statistics For Business And Economics

ISBN: 9780273767060

8th Global Edition

Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne

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Question Posted: Sep 23, 2024 08:01 AM

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2.52 Tires of a particular brand have a lifetime mean of 29,000 miles and a standard deviation...

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Statistics For Business And Economics

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