roxymiller3251 roxymiller3251

05-08-2021
Mathematics

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una caja contiene 2 bolitas blancas y 3 blancas .la probabilidad de que la primera extraída sea blanca y la segunda sea negra , sin reponer la primera

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elquenosave elquenosave

05-08-2021

si cinco son blancas como va a ver una negra ?

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