2. In the table below, a survey of 200 individuals were classified according to their Age and whom they voted for in a recent election (if they voted) Republican Democrat Total Younger Voter 30 45 75 Older Voter 100 25 125 Total 130 70 200 (a) What percentage voted Republican? Answer (b) What percentage were an Older voter? Answer (c) Given that an Older Voter was chosen, what percentage were Republican? Answer10. A study is made of number of beers you drink per day and your life expectancy. Age - 86 -3 (number of beers) (a) What age would you expect a person to live if they drink 5 bottles of beer per day. (b) What age would you expect a person to live if they drank no beer? (c) What does the slope in this equation represent? (d) What does the y-intercept in this equation represent? (e) The correlation coefficient for this regression was r = 0.23, how confident would you be in any of the answers to (a) , (b) and (c) now that you know this. Justify your response