=+with fluoridated water had decayed teeth. Let p1 denote the true proportion of children drinking fluoridated water
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=+with fluoridated water had decayed teeth. Let p1 denote the true proportion of children drinking fluoridated water who have decayed teeth, and let p2 denote the analogous proportion for children drinking unfluoridated water. Estimate p1 2 p2 using a 90% confidence interval. Does the interval contain 0? Interpret the interval.
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Statistics The Exploration And Analysis Of Data
ISBN: 9781111804138
6th Edition
Authors: John M Scheb, Jay Devore, Roxy Peck
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