Compute a 1-Proportion Confidence Interval using a TI-83 or TI-84 graphing calculator.
TI-83 at http://amzn.to/1Qiwv3P
TI-84 at http://amzn.to/1I0QO3P
More free statistics resources, including our free intro statistics textbooks are at
http://www.openintro.org
http://www.openintro.org/stat/textboo...