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Reseаrch questiоn: Whаt prоpоrtion of Americаn adults believe regular exercise is important? In a representative sample of 1,000 American adults, 753 said regular exercise is important. Using StatKey, this 95% confidence interval for the proportion of all American adults who believe regular exercise is important was constructed: [0.726, 0.780]. What is the correct interpretation for this confidence interval?