a bag contains 10 black and 16 white balls.22 balls are drawn one by one till 4 white balls remain in the bag.what is the probability the 22th ball drawn is black. all balls are distinct.
Hello, ayushdadhwal!
. Is this relevant?
I have a back-door approach to this problem.
I may be totally wrong, but I can't shake my reasoning.
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What is the probability that this is black?
Isn't it . ?