In: Statistics and Probability
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 42 who smoke.
Step 2 of 2:
Suppose a sample of 897 Americans over 42 is drawn. Of these people, 637 don't smoke. Using the data, construct the 95%confidence interval for the population proportion of Americans over 42 who smoke. Round your answers to three decimal places.