anonymous
  • anonymous
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?
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
anonymous
  • anonymous
if you could help that would be dandy
anonymous
  • anonymous
i belive it would be a 50% chance

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anonymous
  • anonymous
its a fraction
Mehek14
  • Mehek14
answer choices?
anonymous
  • anonymous
youu have 500 students and 250 are females that are right handed so f your selecting from all the students 500 -250 is 250
anonymous
  • anonymous
5/6, 3/4, 1/6, 1,4
anonymous
  • anonymous
hmmm
Mehek14
  • Mehek14
\(\dfrac{250}{300}=\dfrac{50}{60}=\dfrac{5}{6}\)
anonymous
  • anonymous
okay so if its a known girl then you only have 300
Mehek14
  • Mehek14
you would simplify the fraction \(\dfrac{250}{300}\)
anonymous
  • anonymous
well thanks
anonymous
  • anonymous
i see
anonymous
  • anonymous
so yeah you have a 3/4 chance my bad
Mehek14
  • Mehek14
divide both by 5 and get \(\dfrac{50}{60}\) divide both by 10 and get \(\dfrac{5}{6}\)
anonymous
  • anonymous
wel thanks guys :)

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