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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.
-Find the p-value of this test,and interpret the results.
Federal Trade Commission
A U.S. federal agency established to prevent fraudulent, deceptive, and unfair business practices.
Telemarketer
An individual or company that markets products or services over the telephone.
Unfair Practices
Acts or behaviors considered to be unjust, deceptive, or harmful to consumers or business competition.
Federal Trade Commission
The Federal Trade Commission (FTC) is a U.S. federal agency tasked with consumer protection and the prevention of anti-competitive business practices.
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