In from each of the three boxes containing 3 white and 1 black, 2 white and 2 black, 1 white and 3 black balls, one ball is drawn at random, then the probability that 2 white and 1 black ball will be drawn is

In from each of the three boxes containing 3 white and 1 black, 2 whit

1.	In from each of the three boxes containing 3 white and 1 black, 2 white and 2 black, 1 white and 3 black balls, one ball is drawn at random, then the probability that 2 white and 1 black ball will be drawn is
A.	\[\frac{13}{32}\]
B.	\[\frac{1}{4}\]
C.	\[\frac{1}{32}\]
D.	\[\frac{3}{16}\]
Answer» B. \[\frac{1}{4}\]

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In from each of the three boxes containing 3 white and 1 black, 2 white and 2 black, 1 white and 3 black balls, one ball is drawn at random, then the probability that 2 white and 1 black ball will be drawn is

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