Help with E and F

1 In the November 2020 election, Joe Biden received 48% of the votes cast in Florida (Donald Trump received 51%). Many news organizations conduct surveys before elections to try to predict the winner. Suppose a survey was conducted in Florida shortly before the election such that we can assume that the true proportion of the population who planned to vote for Biden was 48%. The pollsters surveyed 600 likely voters and found that 283 of them planned to vote for Biden. 4716 47 16 -.0397 7.0397 (0.43 11 , 0. 5113 ) e). Based on this interval, would Biden getting less than half of the votes in Florida have been surprising? Explain briefly. f). Pollsters often use larger sample sizes just before an election. What effect does increasing the sample size have on the width of the confidence interval? Why do you think pollsters do this? STATWAY" STUDENT HANDOUT PAGE 6