Political Party, Again Refer to the table for Exercise.
a. Find the probability that a randomly chosen respondent is a Democrat given that he or she is liberal. In other words, what percentage of the liberals are Democrats?
b. Find the probability that a randomly chosen respondent is a Democrat given he or she is conservative? In other words, what percentage of the conservatives are Democrats?
c. Which respondents are more likely to be Democrats: the liberal or the conservative respondents?
Exercise :
GSS: Political Party The General Social Survey (GSS) is a survey done nearly every year at the University of Chicago. One survey, summarized in the table, asked each respondent to report her or his political party affiliation and whether she or he was liberal, moderate, or conservative.
(Dem stands for Democrat, and Rep stands for Republican.)
a. If one person is chosen randomly from the group, what is the probability that the person is liberal?
b. If one person is chosen randomly from the group, what is the probability that the person is a Democrat?