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Suppose the COVID-19 test positivity rate for South Carolina is 0.14 and 0.17 for Dorchester County. If we wanted to conduct a study with

Suppose the COVID-19 test positivity rate for South Carolina is 0.14 and 0.17 for Dorchester County. If we wanted to conduct a study with 99% confidence and 90% power to determine if the difference in these proportions is statistically significant, how many individuals would I need to recruit from Dorchester County? 1,423 1,931 2,100 2,353

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