10 OF 10 QUESTIONS REMAINING Question 3 10 Points Provide an appropriate response. A senator wishes to estimate the proportion of United States voters who favor new road construction. What size sample should be obtained in order to be 99% confident that the sample proportion will not differ from the true proportion by more than 2%? A 3,394 B 8,289 C 33 D 4,145 Question 4 10 Points Provide an appropriate response. Determine the point estimate of the population mean and margin of error for the confidence interval with lower bound 3 and upper bound: 27. x = 15, E = 24 x = 3, E = 24 C x = 15, E = 12 D X = 27, E = 12