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There are 6 brown, 5 blue, and 2 orange marbles in a hat. What is the probability of picking two orange marbles in a row without returning the marbles back to the hat? (Write your answer as a fraction.)

 Apr 29, 2020
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P (two orange in a row without replacement ) =  2/13 * 1/12 =   2 / 156   =   1 / 78

 Apr 29, 2020

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