A bag contains 4 white balls, 3 black balls, and 2 red balls. One by one, three balls are drawn out without replacement. What is the probability that the third ball is red?
Select.
A) 2/9	B) 1/4	C) 3/8	D) 5/16	E) 2/5
The probability for each ball to be drawn third is equal.   Then the probability a red ball is drawn third is 2/9.   The answer is 2/9.
<result>A</result>
A bag contains 4 white balls, 3 black balls, and 2 red balls. One by one, three balls are drawn out without replacement. What is the probability that the third ball is red?