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Researchers sampled 468 adolescents for a study. The proportion of adolescents in the sample who had ever drank alcohol was 0.28. The estimated standard error

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Researchers sampled 468 adolescents for a study. The proportion of adolescents in the sample who had ever drank alcohol was 0.28. The estimated standard error of the proportion was 0.04. Calculate the 95% confidence interval for the proportion of adolescents who had ever drank alcohol. Report the upper limit of the confidence interval. Round to the nearest hundredths place (second decimal point)

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