On September 16, 2011, the New York Times reported that the American public's approval rating of Congress had sunk to an all-tim
e low of 12%. Suppose we wanted to carry out another poll the following week. How many individuals must we survey to estimate the proportion who approve of Congress at that point to within 3% at 95% confidence?
The average per page will be given by: (number of pages)/(time) number of pages=6 pages time=2.5 hours thus average=(6/2.5)=2.4 pages per hour The answer is: 2.4 pages per hour