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anonymous

  • one year ago

Three hundred high school seniors were surveyed about their intended college majors. The results are displayed in the Venn Diagram below: A Venn Diagram titled College Majors with two circles labeled Math and Science. In the math portion is 120. In the intersection is ??. In the Science portion is 50. The area outside the two circles is labeled 100. If a student is randomly selected from the group, what is the probability that they are majoring in both math and science? Round your answer to the nearest whole percent.

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  1. anonymous
    • one year ago
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    10% 17% 33% 40%

  2. Vocaloid
    • one year ago
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    hint: 120 + 50 + (intersection) + 100 = 300 intersection = ?

  3. anonymous
    • one year ago
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    I'm not sure @Vocaloid

  4. Vocaloid
    • one year ago
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    start by adding the numbers together

  5. Vocaloid
    • one year ago
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    120 + 50 + 100 = ?

  6. anonymous
    • one year ago
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    270 @Vocaloid

  7. Vocaloid
    • one year ago
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    good so 270 + intersection = 300 intersection = ?

  8. anonymous
    • one year ago
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    30

  9. anonymous
    • one year ago
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    @Vocaloid

  10. Vocaloid
    • one year ago
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    good now find intersection/total number of students

  11. anonymous
    • one year ago
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    is that 30/270 ? @Vocaloid

  12. texaschic101
    • one year ago
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    it is 30/300...now turn into a percent

  13. anonymous
    • one year ago
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    that would be 10%

  14. texaschic101
    • one year ago
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    yes it would :)

  15. anonymous
    • one year ago
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    so that's the correct answer

  16. texaschic101
    • one year ago
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    yes

  17. anonymous
    • one year ago
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    thank you

  18. texaschic101
    • one year ago
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    glad to help :)

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