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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. A) Provide a 95%

A local health center noted that in a sample of 400 patients, 80 were referred to them by the local hospital.

A) Provide a 95% confidence interval for all the patients who are referred to the health center by the hospital.Briefly discuss.

B) What sample size would be required to estimate the proportion of all hospital referrals to the health center with a margin of errorof .04 or less at 95% confidence? What does this represent?

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