Determine population average-confidence interval

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Reference no: EM1319603

What percentage of hospitals provides at least some charity care? Based on a random sample of hospital reports from eastern states, the following information was obtained (units in percentage of hospitals providing at least some charity care.

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 sample standard deviation keys to verify that x = 62.3% and s = 8.0%. Find a 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.

Reference no: EM1319603

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