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PN is a procedure that removes kidney stones. The treatment was defined as successful if stones were reduced to less than 2 mm after three months. PN was successful for 301/350 patients that did the treatment. The traditional open surgery has a success rate of 80%.
a) Use a 95% confidence interval for comparing the success rate of PN in treating kidney stones with the success rate of open surgery
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a random sample of medical files is used to estimate the proportion p of all people who have blood type b.a if you have
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