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Math 7th Grade

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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?

  • Math 7th Grade - ,

    4/11 for the white marble

  • Math 7th Grade - ,

    how?

  • Math 7th Grade - ,

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

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

  • Math 7th Grade - ,

    but the red marble is replaced

  • Math 7th Grade - ,

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

  • Math 7th Grade - ,

    no it doesnt

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