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anonymous

  • one year ago

A group of 250 middle school students were asked whether they prefer playing video games or watching TV in their spare time. The genders of the students and their responses are reported in the following table.

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  1. anonymous
    • one year ago
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  2. Vocaloid
    • one year ago
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    percentage of girls = 100*number of girls/(number of boys + girls) percentage of students that enjoy watching TV = 100*number of students who prefer TV/(number of boys + girls)

  3. anonymous
    • one year ago
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    @Vocaloid Im slightly confused, 100 *number of girls which is 130 divided by number of boys and girls?

  4. Vocaloid
    • one year ago
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    not quite, how many girls are there?

  5. anonymous
    • one year ago
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    I added 43 and 87 because some girls watch tv and some play video games

  6. Vocaloid
    • one year ago
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    actually, yea, you're right, there are 130 girls

  7. anonymous
    • one year ago
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    so 130 girls divided by? the part where you had girls+ boys confused me

  8. Vocaloid
    • one year ago
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    number of girls + number of boys = ?

  9. anonymous
    • one year ago
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    250

  10. Vocaloid
    • one year ago
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    right! so what is 100*number of girls/(number of boys + number of girls) ?

  11. anonymous
    • one year ago
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    52

  12. Vocaloid
    • one year ago
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    yup, 52%

  13. anonymous
    • one year ago
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    I got 56% for the second part

  14. Vocaloid
    • one year ago
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    yup, that's what I got, too, great work

  15. anonymous
    • one year ago
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    Thank you :)

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spraguer (Moderator)
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