In a random sample of 400 residents of Chattanoogs, 320 residents indicated that they voted fro the Democratic candidate in the last presidental election. Dvelop a 95% confidence interval estimate for...

In a random sample of 400 residents of Chattanoogs, 320 residents indicated that they voted fro the Democratic candidate in the last presidental election. Dvelop a 95% confidence interval estimate for the proportion of all Chattanooga residnets who voted for the Democratic canidate. Enter your answer rounded to 4 decimal places with a 0 in front of the decimal