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Mathematics, 26.01.2021 23:30 baler19

A bag contains 8 gray glass marbles, 2 gray metal marbles, 4 black glass marbles, and 6 black metal marbles. If one marble is drawn at random, what is the probability that it
is glass, given that it is one of the black marbles?

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A bag contains 8 gray glass marbles, 2 gray metal marbles, 4 black glass marbles, and 6 black metal...
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