A goblet contains 5 red marbles and 10 blue…

Discussion in 'Mathematics' started by Olebrum, May 14, 2015.

  1. Olebrum

    Olebrum New Member

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    A goblet contains 5 red marbles and 10 blue marbles. If we choose a marble without putting the first one back what is the probability that the first marble will be blue and the second will be red?
     
  2. Xmlxp

    Xmlxp New Member

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    5 pluse 10 equel 15 so the red have fewer chance and the blue it will have more chance 5 over 15 red and 10 over 15 blue: >
     

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