Mathematics, 10.08.2019 22:10 shaylawaldo11

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a study was completed in california. in northern california, the study involved 1,000 patients; 74% of them experienced flulike symptoms during the month of december. the study had a margin of error of 3.2%. what does that mean for the study?
the confidence interval is between 12.1% and 236.8%.
the confidence interval is between 70.8% and 77.2%.
the confidence interval is between 67.6% and 80.4%.
the confidence interval is between 71% and 77%.

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