During the week of April 15, 2013, a Gallup Poll asked 1500 U.S. adults, aged 18 or

Question:

During the week of April 15, 2013, a Gallup Poll asked 1500 U.S. adults, aged 18 or over, how they rated economic conditions. Only 17% rated the economy as Excellent/Good. Construct a 95% confidence interval for the true proportion of Americans who rated the U.S. economy as Excellent/Good.