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<p>En una urna A hay 5 bolas numeradas del 1 al 5 y en otra urna B hay 4 bolas numeradas del 6 al 9. Se lanza una moneda; si sale cara, se extrae una bola de la urna A, y si sale cruz, se extrae una bola de la urna B. Calcula la probabilidad de que la bola extraída sea:</p> <p>a) La que lleva el número 5:</p> <p> P("número 5)={1:SA:=#sol1}</p> <p>b) La que lleva el número 8:</p> <p> P("número 8")={1:SA:=#sol2}</p> <p>c) Lleve un número par:</p> <p> P("número par")={1:SA:=#sol3}</p>
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Monday, 27 June 2016, 2:18 PM
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