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Use your graphing calculator or the appropriate formula below to answer Questions 22 and 23. O S p za /2V pq x za / 2

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Use your graphing calculator or the appropriate formula below to answer Questions 22 and 23. O S p za /2V pq x za / 2 Vn x _ ta / 2 Vn n The mean weight for a random sample of 34 trucks traveling on a particular section of 1-95 is 15.82 tons. The sample standard deviation is 3.78 tons. Construct a 95% confidence interval to estimate the true mean weight of trucks on 1-95. 14.72

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