Suppose John has a torn tendon and is facing surgery to repair it. The surgeon explains the risks to John: infection occurs in 3%3% of operations, the repair fails in 12%12% of operations, and both infection and failure occur together in 0.51%0.51% of operations. What percentage, ?,P, of these operations succeed and are free from infection? Please round your answer to the nearest two decimal places. P=

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.