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anonymous

  • one year ago

Suppose the tree diagram below represents all the students in a high school and that one of these students were chosen at random. If the student is known to be a girl, what is the probability that the student is right-handed?

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    if you could help that would be dandy

  3. anonymous
    • one year ago
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    i belive it would be a 50% chance

  4. anonymous
    • one year ago
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    its a fraction

  5. Mehek14
    • one year ago
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    answer choices?

  6. anonymous
    • one year ago
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    youu have 500 students and 250 are females that are right handed so f your selecting from all the students 500 -250 is 250

  7. anonymous
    • one year ago
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    5/6, 3/4, 1/6, 1,4

  8. anonymous
    • one year ago
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    hmmm

  9. Mehek14
    • one year ago
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    \(\dfrac{250}{300}=\dfrac{50}{60}=\dfrac{5}{6}\)

  10. anonymous
    • one year ago
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    okay so if its a known girl then you only have 300

  11. Mehek14
    • one year ago
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    you would simplify the fraction \(\dfrac{250}{300}\)

  12. anonymous
    • one year ago
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    well thanks

  13. anonymous
    • one year ago
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    i see

  14. anonymous
    • one year ago
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    so yeah you have a 3/4 chance my bad

  15. Mehek14
    • one year ago
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    divide both by 5 and get \(\dfrac{50}{60}\) divide both by 10 and get \(\dfrac{5}{6}\)

  16. anonymous
    • one year ago
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    wel thanks guys :)

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spraguer (Moderator)
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