Periodically, a town water department tests the the drinking water of homeowners for contaminants such as lead. The lead

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Periodically, a town water department tests the the drinking water of homeowners for contaminants such as lead. The lead

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Periodically A Town Water Department Tests The The Drinking Water Of Homeowners For Contaminants Such As Lead The Lead 1
Periodically A Town Water Department Tests The The Drinking Water Of Homeowners For Contaminants Such As Lead The Lead 1 (15.47 KiB) Viewed 131 times
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 2.5 mg/l. and a standard deviation of 1.4 mgl. Complete parts a through c. a. Construct a 90% confidence interval for the mean lead level in water specimens from the town. C. (Round to three decimal places as needed)
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