Suppose that you wish to determine a population proportion, p. For the given margin of error as well as confidence level, determine the sample size required.
You wish to determine the proportion of adults that have ever used alternative medicine. Obtain a sample size that will make sure a margin of error of at most 0.01 for the 95% confidence interval. It is deemed reasonable to presume that of those sampled, the proportion that have employed alternative medicine will be at least 0.56.
8519
16,338
21,513
9466