A bag contains 5 white balls, 4 black balls, and 6 red balls. One by one, three balls are drawn out without replacement. What is the probability that the third ball is red? Choose the most appropriate option
A) 0.25 B) 0.15 C) 0.35 D) 0.45 E) 0.4
Each ball has an equal probability of being the third ball drawn.   P(3rd ball is red) = 6/15= 
<gadget id="calculator">6/15</gadget>
<output>2/5 = around 0.4</output>
0.4   The answer is 0.4.
<result>E</result>
A bag contains 5 white balls, 4 black balls, and 6 red balls. One by one, three balls are drawn out without replacement. What is the probability that the third ball is red?