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Math 245 - Wolfle - Test 2 page 5 18. 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 that Chevrolet did a study of a random sample of 1006 Chevrolet owners and found that 490 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal to Chevrolet is more than 47%? Use a = .10. (10 points) 9. How many ways are there to select a password comprised of four characters if the password must begin with a letter (of the alphabet) but the final three characters can either a letter or a number? (10 points)