Drug testing of job applicants - in 1990 5.8 of job, Ask an Expert

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Drug testing of job applicants - In 1990, 5.8% of job applicants who were tested for drugs failed the test. At the 0.01 significance level, test the claim that the failure rate is now lower if a simple random sample of 1520 current job applicants results in 58 failures. Does this result suggest that fewer job applicants now use drugs?

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Category:- Statistics and Probability
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