The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 46 who smoke. Suppose a sample of 2022 Americans over 46 is drawn. Of these people, 521 smoke. Using the data, construct the 90% confidence interval for the population proportion of Americans over 46 who smoke. Round your answers to three decimal places.
x=
n=
p ̂=
Z= T
he confidence interval for the population proportion is
Lower limit:
Upper limit:
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