Mathematics, 12.08.2020 07:01, sabrosaichigurl

In December 2004, a report based on the National Survey on Drug Use and Health estimated that 20% of all Americans aged 16 to 20 drove under the influence of drugs or alcohol in the previous year. We would like to update this information by calculating a 98% confidence interval. How large a sample is necessary in order for the bound on the error of estimation to be 0.04?

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In December 2004, a report based on the National Survey on Drug Use and Health estimated that 20% of...