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OpenStudy (thunder33):
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 left-handed?
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OpenStudy (thunder33):
http://media.apexlearning.com/Images/201105/12/c798552b-ac09-4841-9081-d90a7e634eff.gif
OpenStudy (welshfella):
Hint: 50 out of 300 girls are left handed.
OpenStudy (thunder33):
so you would simplify it and get 1/56
OpenStudy (thunder33):
1/6
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