A local non-profit group would like to estimate the proportion of residents of St. Lucie county who do not have health insurance. To help with this estimate, the non-profit surveyed a random sample of St. Lucie county residents and found that 19% did not have heath insurance. Determine the sample size required to limit the margin of error to within 0.056 of the population proportion for a 99% confidence interval. Round the solution up to the nearest whole number. Question Help: Video

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