luljrjr9119 luljrjr9119

02-09-2017
Mathematics

contestada

In a random sample of 2424 people, the mean commute time to work was 30.730.7 minutes and the standard deviation was 7.17.1 minutes. assume the population is normally distributed and use a t-distribution to construct a 9898% confidence interval for the population mean muμ. what is the margin of error of muμ? interpret the results.

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cheychey200413 cheychey200413

08-09-2017

the answer will be 326800

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