A survey was conducted to find out the popularity of politician A. 210, out of 500 rando respondents expressed positive views about this politician. (a) Find the 95% confidence interval for the proportion of people in the country that hav 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