The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was “What do you think are the chances you will be married in the next 10 years?” Here is a two-way table of the responses by gender:   Opinion Female Male Almost no chance 120 104 Some chance but probably not 141 158 A 50-50 chance 454 499 A good chance 742 729 Almost certain 1168 764 Your percent from the previous exercise is part of: a. the marginal distribution of opinion about marriage. b. the marginal distribution of male/female. c. the conditional distribution of sex among adolescents with a given opinion.