[See Solution] In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security-related jobs,
Question:
In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be
engaged in safety and security-related jobs, and found that 1,143 were positive. (a) Construct a
95 percent confidence interval for the population proportion of positive drug tests.
(b) Why is the normality assumption not a problem, despite the very small value of p ?
Deliverable: Word Document 
(See Solution) Find the sample proportions and test statistic for
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Confidence Interval for the Difference Between Means Calculator - MathCracker.com