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Mathematics, 07.04.2020 16:26, jamesgotqui6
A corporation with several thousand employees wants to estimate the mean commute time for all employees. They would like to construct a 95% confidence interval with a margin of error of no more than 4 minutes. Preliminary interviews with a small sample suggest that a reasonable estimate of the population standard deviation is σ = 10 minutes. Which of the following is the smallest sample the company can take to achieve the desired margin or error?
A.5
B.24
C.25
D.41
E.42
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Answers: 3
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A corporation with several thousand employees wants to estimate the mean commute time for all employ...
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