A box contains 5 yellow balls and 6 black balls. One by one, every ball is selected at random without replacement. What is the probability that the fourth ball selected is black?
Choose the correct choice from the following answers
A) 3/4	B) 4/7	C) 5/8	D) 7/9	E) 6/11
Each ball has an equal chance (1/11) of being selected fourth.   The probability that a black ball is selected fourth is 6/11.   The answer is 6/11.
<result>E</result>
A box contains 5 yellow balls and 6 black balls. One by one, every ball is selected at random without replacement. What is the probability that the fourth ball selected is black?