Suppose that you select a sample of 100 u.s. hospital, Ask an Expert

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The Agency for Healthcare Research and Quality reports that medical errors are responsible for injury in 1 out of every 25 hospital patients in the United States. These errors are tragic and expensive. Preventable health care-related errors cost the U.S. economy an estimated $2 billion each year. Suppose that you select a sample of 100 U.S. hospital patients.

The probability is 90% that the sample percentage will be within what symmetrical limits of the population?
The probability is 95% that the sample percentage will be within what symmetrical limits of the population?

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