10.86 In a random sample of 40 brown-haired individuals, 22 indicated that they used hair coloring. In...
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10.86 In a random sample of 40 brown-haired individuals, 22 indicated that they used hair coloring.
In another random sample of 40 blonde individuals, 26 indicated that they used hair coloring.
Use a 92% confidence interval to estimate the difference in the population proportions of brunettes and blondes that use hair coloring.
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Related Book For 
Just The Essentials Of Elementary Statistics
ISBN: 9780495314875
10th Edition
Authors: Robert Johnson, Patricia Kuby
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