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...

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:

1. How many individuals are described in this table?


2. How many females were among the respondents?
   
   
   
   
   
   


3. The percent of females among the respondents was about %.
   
   
   
   


4. Your percent from the previous exercise is part of
   
   
   
   

   
   
   • the marginal distribution of sex.
   
   
   • the conditional distribution of sex among adolescents with a given opinion.
   
   
   • the marginal distribution of opinion about marriage.
   
   

   
   
   
   
   
   
   
   


5. What percent of females thought that they were almost certain to be married in the next 10 years?
   %
   
   
   
   


6. Your percent from the previous exercise is part of
   
   
   
   

   
   
   • the conditional distribution of sex among those who thought they were almost certain to be married.
   
   
   • the marginal distribution of opinion about marriage.
   
   
   • the conditional distribution of opinion about marriage among women.