Directions solving problem using TI-84

21. National Exit Polls published by ABC News (http://www.ABCNews.com) for the 2000 presidential election showed that 49% of people that voted for Vice President Gore worked full time for pay and 48% of people that voted for Governor Bush worked full time for pay. a) Given the sample size for each of these proportions was 100, is there evidence that the proportion of voters that worked for full time pay who voted for Vice President Gore was greater than those who voted for Governor Bush? (b) Repeat the above test for sample sizes of 1000, 10,000 and 20,000 and note the p-value for each. 13.13. CHAPTER 13 EXERCISES (c) At what point does the difference between the two proportions become significant? d) Explain whether this is statistical significance, practical significance or both. (e) How useful are the results of the last test with n = 20,000? Explain your