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What's the probability?

Categoría: El profe propone el día 2013-10-29 14:50:23

 What is the probability that four different points chosen at random from the fifteen equally spaced points shown are the vertices of a square? Express your answer as a common fraction.



Publicado por: Ricardo Alonso | Comentarios (1) Leer comentarios | Exportar PDF | Escuchar este post

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Publicado por: Ricardo el día 2013-11-05 14:05:36