Mathematics, 10.09.2019 20:30, sierravick123owr441

Eric wants to estimate the percentage of elementary school children who have a social media account. he surveys 450 elementary school children and finds that 280 have a social media account. identify the values needed to calculate a confidence interval at the 99% confidence level. then find the confidence interval.

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Eric wants to estimate the percentage of elementary school children who have a social media account....