4. A survey was conducted to nd out the popularity of politician A. 210, out of 500 random respondents expressed positive views about this politician. (3) Find the 95% condence interval for the proportion of people in the country that have positive views about this politician. (b) A similar survey for politician B, conducted on a random sample of 600 respondents, revealed that 288 respondents have positive views about her. Can you conclude that politician B is more popular in the country? Compute the p-value of this conclusion