There are 2,000 eligible voters in a precinct. 500 of the voters are selected at random and asked to indicate whether they planned to vote for Democratic incumbent of the Republican challenger. Of the...

There are 2,000 eligible voters in a precinct. 500 of the voters are selected at random and asked to indicate whether they planned to vote for Democratic incumbent of the Republican challenger. Of the 500 surveyed, 240 said they were going to vote for the Democratic incumbent. Using the 0.99 confidence coefficient, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?