GSS: OR Select someone at random from the 1858 people in the table given in Exercise. What is the probability that the person is a Democrat OR a Republican?
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?