Difference between revisions of "2009 AMC 10B Problems/Problem 25"
VelaDabant (talk | contribs) (New page: == Problem == Each face of a cube is given a single narrow stripe painted from the center of one edge to the center of the opposite edge. The choice of the edge pairing is made at random ...) |
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Revision as of 15:23, 26 February 2009
Problem
Each face of a cube is given a single narrow stripe painted from the center of one edge to the center of the opposite edge. The choice of the edge pairing is made at random and independently for each face. What is the probability that there is a continuous stripe encircling the cube?
Solution
. The answer is 
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| 2009 AMC 10B (Problems • Answer Key • Resources) | ||
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