A professor samples 9 random TCC students and record their commute times She finds that...
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A professor samples 9 random TCC students and record their commute times She finds that the average commute time of the 9 students is 13 59 minutes with a standard deviation of 3 5 minutes She also finds that the commute times look like they come from a normal distribution Find a 95 confidence interval for the mean commute time of all TCC students Round to three decimal places
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