The following contingency table shows opinion about global warming (nonissue vs. serious concern) among registered voters, broken down by political party affiliation (Democratic, Republican, and Independent). Use the table to answer a) through c) below. Opinions on Global Warming Nonissue Serious Concern Total Democratic Political Party Republican Independen Total 60 280 70 410 440 220 790 500 500 200 1200 a) What is the probability that a randomly selected registered voter who is a Republican believes that global warming is a serious issue? (Round to three decimal places as needed) b) What is the probability that a randomly selected registered voter is a Republican given that he or she believes global warming is a serious issue? (Round to three decimal places as needed) c) What is P(Serious ConcernlDemocratic)7 P(Serious ConcernlDemocratic) - (Round to three decimal places as needed.)