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Raina places the following balls into a bag.  She draws three balls out of the bag, one at a time, without replacement.  What is the probability that the colors of the balls alternate?

 

There are 6 orange balls and 6 purple balls.

 Dec 22, 2023
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This link might help: 

https://www.quora.com/Three-balls-are-drawn-without-replacement-from-a-bag-containing-3-black-5-purple-and-6-yellow-balls-Given-that-the-drawn-balls-are-all-the-same-colour-what-is-the-probability-they-are-purple

 Dec 22, 2023

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