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USA Today reported that about 47% of the general consumer population in the United States is...

USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample of 1008 Chevrolet owners and found that 483 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal to Chevrolet is more than 47%? Use α = 0.01.

(a) What is the level of significance?

(b) What is the value of the sample test statistic? (Round your answer to two decimal places.)

(c) What is the p-value of the test statistic? (Round your answer to two decimal places.)

Math   Statistics-And-Probability   
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