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A tetrahedron is considered in this problem (4 vertices, 6 edges). The edges are painted black,...

A tetrahedron is considered in this problem (4 vertices, 6 edges). The edges are
painted black, grey, or pink randomly. The probability that the three edges adjacent to at least one
vertex are colored with all three colors is p. find p (in the form of fraction).
Math   Statistics-And-Probability   
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