What percentage of hospitals provide atleast some charity care? The following problem is based on information taken from State Health Care. Based on the random sample of hospital reports from eastern states, the following information was obtained:
|
57.1
|
56.2
|
53.0
|
66.1
|
59.0
|
64.7
|
70.1
|
64.7
|
53.5
|
78.2
|
Use a calculator with mean and standard deviation keys to verify that X (bar) = 62.3% s = 8.0%. Find a 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.