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Mathematics, 17.09.2019 00:30 jakepeavy70
In a random sample of 25 ? people, the mean commute time to work was 30.4 minutes and the standard deviation was 7.1 minutes. assume the population is normally distributed and use a? t-distribution to construct a 90? % confidence interval for the population mean ? . what is the margin of error of ? ?
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In a random sample of 25 ? people, the mean commute time to work was 30.4 minutes and the standard d...
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