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	126	89
Some chance but probably not	155	175
A 50-50 chance	458	502
A good chance	730	703
Almost certain	1159	754

1. How many individuals are described in this table? Correct
2. How many females were among the respondents? Correct
3. The percent of females among the respondents was about %.
4. Your percent from the previous exercise is part of
5. What percent of females thought that they were almost certain to be married in the next 10 years? %
   • the marginal distribution of opinion about marriage.
   • the marginal distribution of sex.
   • the conditional distribution of sex among adolescents with a given opinion.
6. Correct