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hat is a confidence interval for using the following information:Ages of people driving in the left lane of the freeway with their turn signal permanently

hat is a confidence interval for using the following information:Ages of people driving in the left lane of the freeway with their turn signal permanently on: n = 27, years, s = 4.2 years; with 99% confidence.

From the previous problem, how many drivers would you need to survey to estimate to within 10% of its true value, using 99% confidence?

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