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OpenStudy (anonymous):

A box contains 8 dark chocolates, 8 white chocolates, and 8 milk chocolates. I choose chocolates at random (yes, without replacement; I’m eating them). What is the chance that I have chosen 20 chocolates and still haven’t got all the dark ones?

OpenStudy (anonymous):

how many chocolates are there total

OpenStudy (anonymous):

@NickR,24

OpenStudy (anonymous):

so of those 24 20 are chosen correct

OpenStudy (anonymous):

yep @NickR

OpenStudy (anonymous):

so what is the fraction there?

OpenStudy (anonymous):

@NickR,is it 20/24

OpenStudy (anonymous):

simplified you get?

OpenStudy (anonymous):

since there are 3 kinds of chocolate you get (5/6)*(1/3) which should give you your answer

OpenStudy (gorv):

@NickR it's wrong plzz help

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