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OpenStudy (anonymous):
A box has 5 white balls and 3 green balls. two are chosen at random without replacement. what is the probability that they are of the same colour.
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OpenStudy (anonymous):
i got 13/28
OpenStudy (anonymous):
I'm not too good at this, I'm trying to learn it right now myself but that seems right to me. (3 choose 2) and (5 choose 2) and since there is no replacement you add them and the total is ( 8 choose 2)
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