9. Medical: Plasma Compress A hospital reported that the normal death rate for patients with extensive burns

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9. Medical: Plasma Compress A hospital reported that the normal death rate for patients with extensive burns (more than 40% of skin area) has been significantly reduced by the use of new fluid plasma compresses. Before the new treatment, the mortality rate for extensively burned patients was about 60%.

Using the new compresses, the hospital found that only 40 of 90 patients with extensive burns died. Use a 1% level of significance to test the claim that the mortality rate has dropped.

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Understandable Statistics Concepts And Methods

ISBN: 9781305142909

11th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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