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A paper bag has 3 red and 7 blue marbles. If the first marble is red what is the probability of getting a blue marble on the second draw ?

User Zynk
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1 Answer

5 votes

Answer:

7/9

Explanation:

you have 2 red left and there is 9 total which means that 7 of these 9 are blue.

User Pdbartlett
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