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You are interested in estimating the the mean distance students travel to school. From past data, you estimate that the standard deviation of distances

You are interested in estimating the the mean distance students travel to school. From past data, you estimate that the standard deviation of distances to be approximately 2 miles. What sample size would you need to in order to estimate the mean distance students travel to school, with a 98% confidence level, to within 0.8 miles of the actual distance? Sample Size: n >

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