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Posted by on Sunday, May 13, 2012 at 6:41pm.

A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random, what is the probability that it is not blue?

  • math - , Sunday, May 13, 2012 at 9:27pm

    Total number of marbles = 5+8+3 = 16
    Marbles which are not green = 5+3 = 8
    P(not green) = 8/16 = 1/2

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