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 138 114 Some chance but probably not 134 165 A 50-50 chance 467 512 A good chance 736 718 Almost certain 1187 746

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 4SE: What is the difference between events and outcomes? Give an example of both using the sample space...
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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 138 114
Some chance but probably not 134 165
A 50-50 chance 467 512
A good chance 736 718
Almost certain 1187 746

 

  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.
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