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?

Question

anonymous · Answer

attachment

anonymous · Answer

if you could help that would be dandy

anonymous · Answer

i belive it would be a 50% chance

anonymous · Answer

its a fraction

mehek14 · Answer

answer choices?

anonymous · Answer

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 · Answer

5/6, 3/4, 1/6, 1,4

anonymous · Answer

hmmm

mehek14 · Answer

$\dfrac{250}{300}=\dfrac{50}{60}=\dfrac{5}{6}$

anonymous · Answer

okay so if its a known girl then you only have 300

mehek14 · Answer

you would simplify the fraction $\dfrac{250}{300}$

anonymous · Answer

well thanks

anonymous · Answer

i see

anonymous · Answer

so yeah you have a 3/4 chance my bad

mehek14 · Answer

divide both by 5 and get $\dfrac{50}{60}$
divide both by 10 and get $\dfrac{5}{6}$

anonymous · Answer

wel thanks guys :)