In a program designed to help patients stop​ smoking, 195 patients were given sustained​ care, and 82.6 % of them were no longer smoking after one month. Among 193 patients given standard​ care, 62.7% were no longer smoking after one month. Construct two 95% (Wald) confidence interval estimates of the percentages of success. Compare the results. What do you​ conclude?

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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.