A doctor believes that 80% of all patients having a particular disease will be fully recovered within 3 days after receiving a new drug. Assume that a random sample of 230 patients is selected. a) What is the mean of the sample proportion of patients?

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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.