UnusualKc302 UnusualKc302

22-01-2018
Mathematics

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A bag contains 40 marbles: 20 blue and 20 green. you are randomly drawing marbles out of the bag one at a time, replacing them after each draw. you have just picked 10 blue marbles in a row. what is the probability of picking a blue marble again?

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argondmamorr argondmamorr

24-01-2018

If you are replacing the marble after each draw the probability will always be 20/40 or 1/2

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