Buttons, Buttons...Probability puzzles require you to weigh all the possibilities and pick the most likely outcome.
Nicole finds 27 buttons on the ground that are black. She adds them to her collection of 4 blue buttons, 3 black buttons, 13 white buttons, and 3 red buttons. What is the probability that Nicole will draw a black button out of the container that holds all of her buttons?
You have to add the 27 black buttons to the three that Nicole already had.
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