Use the Following Information for Questions

Short Answer

Use the following information for questions:
In the Youth Risk Behavior Survey (a study of public high school students), a random sample showed that 45 of 675 girls and 103 of 621 boys had been in a physical fight on school property one or more times during the past 12 months.
-What is the difference in sample proportions of students who had been in a fight (boys - girls)?