Shortly before the 2012 presidential election, a survey was taken by the school newspaper at a very large state university. Randomly selected students were asked, “Whom do you plan to vote for in the upcoming presidential election?” Here is a twoway table of the responses by political persuasion for 1850 students:

Candidate of choice Political Persuasion Democrat Republican Independent Total Obama 925 78 26 1029 Romney 78 598 19 695 Other 2 8 11 21 Undecided 32 28 45 105 Total 1037 712 101 1850 Which of the following statements about these data is true?

(a) The percent of Republicans among the respondents is 41%.

(b) The marginal distribution of the variable choice of candidate is given by Obama: 55.6%; Romney:

37.6%; Other: 1.1%; Undecided: 5.7%.

(c) About 11.2% of Democrats reported that they planned to vote for Romney.

(d) About 44.6% of those who are undecided are Independents.

(e) The conditional distribution of political persuasion among those for whom Romney is the candidate of choice is Democrat: 7.5%; Republican: 84.0%;

Independent: 18.8%