A bag contains \(m\) blue and \(n\) yellow marbles. One marble is selected at random
from the bag and its colour is noted. It is then returned to the bag along with \(k\) other
marbles of the same colour. A second marble is now selected at random from the
bag. What is the probability that the second marble is blue?
This problem is not original.This problem is part of this set.
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