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An engineering research center claims that,through the use of a new computer control system,automobiles should achieve,on average,at least an additional 5 miles per gallon of gas.A random sample of 81 automobiles was used to evaluate this product.The sample mean increase in miles per gallon achieved was 4.5,and the sample standard deviation was 2.9 miles per gallon.
-State the appropriate null and alternative hypotheses.
Murderer
An individual who unlawfully kills another human being with premeditation or under circumstances that are considered criminal.
Inaccurate
Not correct, precise, or true; containing errors or mistakes.
Ethical Behavior
Conduct that is consistent with principles of moral and ethical standards, often guided by societal, professional, or personal values.
United States
A country in North America consisting of 50 states and a federal district, known for its diverse culture and significant influence on world affairs.
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