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Among 240 cell phone owners aged 18-24 surveyed, 108 said their phone was an Android phone. Construct a 90% confidence interval for the proportion of

Among 240 cell phone owners aged 18-24 surveyed, 108 said their phone was an Android phone.

Construct a 90% confidence interval for the proportion of cell phone owners aged 18-24

who have an Android phone. Round three decimal places

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