A local health center noted that in a sample of 500 patients, 150 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.b.What sample size would be required to estimate the proportion of all hospital referrals to the health center with a margin of error of .04 or less at 95% confidence?
What will be an ideal response?
?
| a. | .2598 to .3402 |
| b. | 323 |
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