MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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**Automobiles Purchased** 

An automobile owner found that 20 years ago, 76% of Americans said that they would prefer to purchase an American automobile. He believes that the number is much less than 76% today. He selected a random sample of 60 Americans and found that 40 said that they would prefer an American automobile. Can it be concluded that the percentage today is less than 76%? At α = 0.05, is he correct? Use the P-value method with tables. Do not round intermediate steps. 

**Part: 0/5**
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Transcribed Image Text:**Automobiles Purchased** An automobile owner found that 20 years ago, 76% of Americans said that they would prefer to purchase an American automobile. He believes that the number is much less than 76% today. He selected a random sample of 60 Americans and found that 40 said that they would prefer an American automobile. Can it be concluded that the percentage today is less than 76%? At α = 0.05, is he correct? Use the P-value method with tables. Do not round intermediate steps. **Part: 0/5**
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