A State Meat Inspector In Iowa Has Been Given The Assignment Of Estimating The Mean Net Weight Of Packages Of Ground Chuck Labeled "3 Pounds." Of Course, He Realizes That The Weights Cannot Be Precisely 3 Pounds. A Sample Of 36 Packages Reveals The M


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46. As a condition of employment, Fashion Industries applicants must pass a drug test. Of the
last 220 applicants 14 failed the test. Develop a 99 percent confidence interval for the proportion
of applicants that fail the test. Would it be reasonable to conclude that more than
10 percent of the applicants are now failing the test? In addition to the testing of applicants,
Fashion Industries randomly tests its employees throughout the year. Last year in the 400
random tests conducted, 14 employees failed the test. Would it be reasonable to conclude
that less than 5 percent of the employees are not able to pass the random drug test?

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