anonymous
  • anonymous
Below are the survey results of 60 students out of 1250 students in a school. These results are representative of the school population. number answering yes Do you work on weekends 31 Do you spend 2 or more 36 hours per nigh on hw? Do you buy lunch in the cafeteria? 48 Predict the number of students in the school who work on the weekends Predict the number of students in the school who buy lunch in the school cafeteria
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
anonymous
  • anonymous
1250/100. 12.5 students is equal to 1% of the total school body. Of the students surveyed 51.667% of them work on the weekends, all you need to do is scale that up to represent a larger population. so ((31/60)*(1250))=total number of students who work on the weekends The same logic can be applied to the other question

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