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Raina places the following balls into a bag.  She then 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 4 orange balls and 4 purple balls.

 Jun 22, 2024
 #1
avatar+129725 
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2 * (4/8) (4/7) (3/6) (3/5) (2/4) (2/3) (1/2) (1/1)   =    1/35

 

cool cool cool

 Jun 22, 2024

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