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Posted by on Wednesday, May 22, 2013 at 5:23pm.

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 - , Wednesday, May 22, 2013 at 5:26pm

    4/11 for the white marble

  • Math 7th Grade - , Wednesday, May 22, 2013 at 5:27pm

    how?

  • Math 7th Grade - , Wednesday, May 22, 2013 at 5:30pm

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

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

  • Math 7th Grade - , Wednesday, May 22, 2013 at 5:30pm

    but the red marble is replaced

  • Math 7th Grade - , Wednesday, May 22, 2013 at 5:32pm

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

  • Math 7th Grade - , Wednesday, May 22, 2013 at 5:53pm

    no it doesnt

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