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Among 250 cell phone owners aged 18-24 surveyed, 103 said their phone was an android phone. Construct a 99.8% confidence interval level for the Proportion

Among 250 cell phone owners aged 18-24 surveyed, 103 said their phone was an android phone.

Construct a 99.8% confidence interval level for the Proportion of cell phone owners age to 18-24 who have android phones.

Round the answers to at least three decimal places.

A 99.8% confidence interval level for the portion of cell phone owners aged 18-24 who have android phones is?

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