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In a random sample of 28 people, the mean commute time to work was 33.8 minutes with a sample standard deviation of 7.2 minutes. Assume

In a random sample of 28 people, the mean commute time to work was 33.8 minutes with a sample standard deviation of 7.2 minutes. Assume the population was normally distributed and use a t-distribution to construct a 95% confidence interval for the population mean

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