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90 The average length of a maternity stay in a U S hospital is said...

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90 The average length of a maternity stay in a U S hospital is said to be 2 4 days with a standard deviation of 0 9 days We randomly survey 80 women who recently bore children in a U S hospital a In words X b In words X c X d In words EX e EX f Is it likely that an individual stayed more than five days in the hospital Why or why not g Is it likely that the average stay for the 80 women was more than five days Why or why not h Which is more likely I An individual stayed more than five days ii The average stay of 80 women was more than five days i If we were to sum up the women s stays is it likely that collectively they spent more than a year in the hospital Why or why not

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