\dfrac{5}{11}
Question:
A box contains 5 white balls and 6 black balls.  A ball is drawn out of the box at random.  What is the probability that the ball is white?
Answer:
Let's think step by step.

user
\dfrac{5}{11}
A box contains 5 white balls and 6 black balls.  A ball is drawn out of the box at random.  What is the probability that the ball is white?
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