Question: A pharmaceutical company found that 46 of 1000 U S adults
A pharmaceutical company found that 46% of 1000 U.S. adults surveyed knew neither their blood pressure nor their cholesterol level. Assuming the persons surveyed to be a simple random sample of U.S. adults, construct a 95% confidence interval for π = the population proportion of U.S. adults who would have given the same answer if a census had been taken instead of a survey.
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