A company wants to know how many hours on the average it

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A company wants to know how many hours, on the average, it takes an employee to complete a self study course on ethics. A random sample of 100 employees produces an average of 7.9 hours with a standard deviation of 2.1 hours. At a 99% confidence level, what is the maximum error of estimate? Round your answer to 3 decimal places.

Reference no: EM13620006

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