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[Solution Library] Hospitals: Charity Care: What percentage of hospitals provide a least some charity care? The following problem is based on information taken from

Question: Hospitals: Charity Care: What percentage of hospitals provide a least some charity care? The following problem is based on information taken from State Health Care Data: Utilizing, Spending, and Characteristics (American Medical Association). Based on a random sample of hospital reports from eastern states. The following was obtained (units in percentage of hospitals providing at least some charity care):

Use a calculator with mean and sample standard deviation keys to verify that \[\overline{x}\] \[\approx \] 62.3% and s \[\approx \] 8.0%. Find a 90% confidence interval for the population average \[\mu \] of the percentage of hospitals providing at least some charity care.

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