A bag contains 6 black marbles and 4 white marbles. Sally takes out a black marble and does not put it back. What is the probability that the next marble she picks will also be black?

\(\frac{5}{9}\)

Explanation

Since Sally has taken out a black marble, the bag now contains 5 black marbles and 4 white marbles. So the probability of the next marble being black is \(\frac{5}{9}\).

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