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A study involving the economic burden of congestive heart failure found that the lengths of
hospital stays for patients are not normally distributed with a mean of 7.8 days and a standard
deviation of 9.1 days. A random sample of size 40 is taken. Which of the following best
describes the sampling distribution of ? Select one: a. Normal b. Approximately normal c.
Unknown
Solution
a. Normal

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  • 1. A study involving the economic burden of congestive heart failure found that the lengths of hospital stays for patients are not normally distributed with a mean of 7.8 days and a standard deviation of 9.1 days. A random sample of size 40 is taken. Which of the following best describes the sampling distribution of ? Select one: a. Normal b. Approximately normal c. Unknown Solution a. Normal