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A bag contains 5 red,2 blue,and 4 white marbles. What is the probabiltiy If Sam picked a red marble replaced it and picked a white marble?

6 answers

4/11 for the white marble

how?

11 marbles are in the bag, and 4 are white.

http://www.mathsisfun.com/data/probability.html

but the red marble is replaced

That means that the red marble is back in the bag.

no it doesnt

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