In a survey of 6000 high school girls and 6000 high school boys, students were asked about their attitudes toward marriage. One of the questions asked was, “Is having a ’good marriage and family life’ important to you?” 82.1% of the girls in the survey said it was important. (17.9% said it was unimportant.) 72.9% of the boys said it was important. (27.1% said it was unimportant.).
a. What percent of students answered “important”?
b. What percent of the “important” responses came from boys?
c. If you choose a student randomly from the study and learn that that student answered “unimportant,” how likely is it that the student is a girl?

  • CreatedJuly 16, 2015
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