In a poll to estimate presidential popularity, each person in arandom sample of 1,150 voters was asked to agree with one of thefollowing statements: 1. The president is doing a good job. 2. Thepresident is doing a poor job. 3. I have no opinion. A total of 650respondents selected the first statement, indicating they thoughtthe president was doing a good job. a. Construct a 90% confidenceinterval for the proportion of respondents who feel the presidentis doing a good job. (Use Student’s t Distribution Table.) (Roundyour answers to 3 decimal places.) Confidence interval for theproportion is up to .