In the article Bottled Natural Mineral Waters in Romania (Environmental Geology Journal, Vol. 46, Issue 5, pp.

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In the article “Bottled Natural Mineral Waters in Romania” (Environmental Geology Journal, Vol. 46, Issue 5, pp. 670–674), A. Feru compared the mineral, ionic, and carbon dioxide content of mineral-water source locations in Romania. Of 31 randomly selected source locations, 22 had natural carbonated natural (NCN) mineral water. Determine a 95% confidence interval for the proportion of all mineral-water source locations in Romania that have NCN mineral water. Extending the Concepts and Skills
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Elementary Statistics

ISBN: 9780321691231

8th Edition

Authors: Neil A. Weiss

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