nativegrsp1 nativegrsp1

21-05-2024
Mathematics

Answered

in a random sample of 50 patients undergoing a standard surgical procedure, 15 required medication for post operative pain. In a random sample of 90 patients undergoing a new procedure, only 16 required pain medication.
a.) construct a 95% confidence interval for the difference in the proportions of patients needing pain medication between the old and new procedures.

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