In studying his campaign plans. Mr. Singleton wishes to estimate the difference between younger voters and older voters views regarding his appeal as a candidate. He asks his campaign manager to take two random independent samples and find the 80 % confidence interval for the difference. A random sample of 892 voters age 35 and under and 749 voters over age 35 was taken. 186 voters age 35 and under and 359 voters over age 35 favored Mr. Singleton as a candidate. Find this confidence interval. Step 3 of 3: Construct the 80 % confidence interval. Round your answers to three decimal places. Answer Tables Keypad How to enter your answer (opens in new window) Keyboard Shortcuts Previous Step Answers Lower endpoint: Upper endpoint