46. As acondition of employment, Fashion Industries applicants must pass adrug t

ID: 2954941 • Letter: 4

Question

46.As acondition of employment, Fashion Industries applicants must pass adrug test. Of the

last 220applicants 14 failed the test. Develop a 99 percent confidenceinterval for the proportion

ofapplicants that fail the test. Would it be reasonable to concludethat more than

10percent of the applicants are now failing the test? In addition tothe testing of applicants,

FashionIndustries randomly tests its employees throughout the year. Lastyear in the 400

randomtests conducted, 14 employees failed the test. Would it bereasonable to conclude

that less than 5 percent ofthe employees are not able to pass the random drugtest?

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