An automobile dealer claims that 80% of his 1975 cars were sold with rear seat belts installed.

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An automobile dealer claims that 80% of his 1975 cars were sold with rear seat belts installed. Test his claim, from the consumer's safety point of view, at a risk of 0.01 if 225 of 320 such cars showed that they had been bought with seat belts.

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Statistics for Business and Economics

ISBN: 978-0132930192

8th edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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Posted Date: May 03, 2019 10:06 AM

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An automobile dealer claims that 80% of his 1975 cars were sold with rear seat belts installed.

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Define the null and alternative hypothesis as H 0 p 08 80 were sold ... View the full answer

Statistics for Business and Economics

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