<PRE><B>Question 922370</B>
Two regular cubic dice are rolled. One is red and the other blue. What is the probability that the red die roll is greater than or equal to the blue die?
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Sketch a 6 by 6 square of the results.
Let the rows be red and the columns be blue.
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Count the # of results that satisfy your problem conditions in each row::
# of ways to succeed:: 1+2+3+4+5+6 = 6(1+6)/2 = 21
# of possible outcomes:: 6*6 = 36
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P(condition met) = 21/36 = 7/12
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Cheers,
Stan H.
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