Confidence interval to estimate the population proportion

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Reference no: EM1314368

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 failed the test. Would it be reasonable to conclude that the 5 percent of the employees are not able to pass the random drug test?

Reference no: EM1314368

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