A procedure removes kidney stones. The treatment is successful if stones were reduced to less than 2 mm after three months. Procedure successful for 301/350 patients that did the treatment. The traditional open surgery has a success rate of 80%.
a) Is there significant evidence that the success rate of procedure in treating kidney stones is different than the success rate of open surgery? Make a null hypothesis and an alternative hypothesis and find the corresponding p-value. Use α = 0.01