In a survey of 8451 U.S. adults, 31.4% said they were taking vitamin E as a supplement.

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In a survey of 8451 U.S. adults, 31.4% said they were taking vitamin E as a supplement. The survey’s margin of error is plus or minus 1%.

Translate the statements into a confidence interval for p. Approximate the level of confidence.

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Elementary Statistics Picturing The World

ISBN: 9780321911216

6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 07:52 AM

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In a survey of 8451 U.S. adults, 31.4% said they were taking vitamin E as a supplement.

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Elementary Statistics Picturing The World

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