According to an article in the American Heart Association's publication Circulation, 24% of patients who had been hospitalized for an acute myocardial infarction did not fill their cardiac medication by the seventh day of being discharged. Suppose there are 16 people who have been hospitalized for an acute myocardial infarction.   Find the probability, to 4 decimal places:   It is possible when rounded that a probability is 0.0000 d) exactly none did not fill their cardiac medication by the seventh day of being discharged.      e) exactly 9 did not fill their cardiac medication by the seventh day of being discharged.      f) at least 7 did not fill their cardiac medication by the seventh day of being discharged.

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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.