Question about Confidence interval estimation for proportion
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A local health center noted that in a sample of 400 patients 80 were referred to them by the local hospital. What size sample would be required to estimate the proportion of hospital referrals with a margin of error of 0.04 or less at 95% confidence?
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Solution Summary
The solution provides step-by-step method for the calculation of confidence interval for proportion. Formula for the calculation and Interpretations of the results are also included (see attachment).
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