A bag contains 4 white balls, 4 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? Choose the correct choice from the following options.
A) 1/2 B) 1/5 C) 3/8 D) 5/11 E) 2/7
The probability for each ball to be drawn third is equal.   Then the probability a red ball is drawn third is 2/10 = 1/5.   The answer is 1/5.
<result>B</result>
A bag contains 4 white balls, 4 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?