A poll asked a sample of voters if marijuana should be legalized. Voters' responses and political party affiliation are in the table. Complete parts (a) through (e) below. Favor Legalization of Marijuana Political Affiliation Yes No Total Republican 142 149 291 Democrat 233 99 332 Independent 288 132 420 Total 663 380 1043 . . . . . a. If a person is randomly selected from this group, find the probability that the person is a Republican. 27.9 % (Type an integer or decimal rounded to one decimal place as needed.) b. If a person is randomly selected from this group, find the probability that the person is a Democrat. 31.8% (Type an integer or decimal rounded to one decimal place as needed.) c. If a person is randomly selected from this group, find the probability that the person is a Republican or Democrat. % (Type an integer or decimal rounded to one decimal place as needed.)