Smartphones. A survey was conducted to analyze the preference of teenage smartphone users between android and iOS.

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Smartphones. A survey was conducted to analyze the preference of teenage smartphone users between android and iOS. From a group of 500 teens, 57% reported that they prefer using iOS.

a) Create a 95% confidence interval for this group of teens who prefer to use iOS.

b) How many teens must they survey if the margin of error is cut down to half?

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Business Statistics

ISBN: 9781292269313

4th Global Edition

Authors: Norean Sharpe, Richard De Veaux, Paul Velleman

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Question Posted: Sep 07, 2024 06:01 AM

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Smartphones. A survey was conducted to analyze the preference of teenage smartphone users between android and iOS.

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Business Statistics

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