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  3. in a random sample of 21 people the mean commute t

In a random sample of 21 people the mean commute time to work was 32...

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In a random sample of 21 people the mean commute time to work was 32 4 minutes and the standard deviation was 7 2 minutes Assume the population is normally distributed and use a t distribution to construct a 95 confidence interval for the population mean What is the margin of error of u Interpret the results The confidence interval for the population mean is H Round to one decimal place as needed

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