Medical researchers performed a comparison of two drugs Clopidogrel and ticagrelor, which are supposed to rieduce the risk of a heart attack and stroke in coronary patients. a total of 6676 patients were given clopidogrel and 6732 were given ticagrelor. Of the Clopidogrel patients 668 suffered a heart attack or stroke within one year, of the ticagrelor patients 569 suffered a heart attack or stroke. Can you conclude that the proportion of patients suffering aheart attack or stroke is less for ticagrelor? Use a 1% significance level.

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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.