Question: QUESTION 4 . 1 POINT Eric wants to estimate the percentage of elementary school children who have a social media account. He surveys 450 elementary

 QUESTION 4 . 1 POINT Eric wants to estimate the percentage

QUESTION 4 . 1 POINT 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. Zo.10 Z0.05 Z0.025 ZO.01 Z0.005 1.282 1.645 1.960 2.326 2.576 Use the table of common z-scores above. . Round the final answer to three decimal places

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