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6.3.32-T
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Periodically, a town water department tests the the drinking water of homeowners for contaminants such as lead. The lead levels in water specimens collected for a
sample of 10 residents of the town had a mean of 2.6 mg/L and a standard deviation of 2.5 mg/L. Complete parts a through c.
a. Construct a 95% confidence interval for the mean lead level in water specimens from the town.
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Transcribed Image Text:6.3.32-T Question Help Periodically, a town water department tests the the drinking water of homeowners for contaminants such as lead. The lead levels in water specimens collected for a sample of 10 residents of the town had a mean of 2.6 mg/L and a standard deviation of 2.5 mg/L. Complete parts a through c. a. Construct a 95% confidence interval for the mean lead level in water specimens from the town. కభ (Round to three decimal places as needed.) Frect: Enter your answer in the edit fields and then click Check Answer. Check Answer Clear All parts remaining 2 W a re to search Chs CO
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