A box contains 15 blue balls and 45 black balls. If 2 balls are selected randomly, without replacement, the probability of an outcome in which the first selected is a blue ball and the second selected is a black ball, is ______.

A box contains 15 blue balls and 45 black balls. If 2 balls are select

1.	A box contains 15 blue balls and 45 black balls. If 2 balls are selected randomly, without replacement, the probability of an outcome in which the first selected is a blue ball and the second selected is a black ball, is ______.
A.	\(\dfrac{45}{236}\)
B.	\(\dfrac{1}{4}\)
C.	\(\dfrac{3}{16}\)
D.	\(\dfrac{3}{4}\)
Answer» B. \(\dfrac{1}{4}\)

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A box contains 15 blue balls and 45 black balls. If 2 balls are selected randomly, without replacement, the probability of an outcome in which the first selected is a blue ball and the second selected is a black ball, is ______.

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