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The average length of a hospital stay in the US is = 9 days with standard deviation = 3 days. Assume a simple random sample

The average length of a hospital stay in the US is = 9 days with standard deviation = 3 days. Assume a simple random sample of the 100 patients is obtained and the mean stay for the patients is obtained. a. What is the probability that a single patient randomly chosen from all hospital patients has a stay that is longer than 10 days

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