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En un cajón hay 10 pares de calcetines negros y 6 pares de calcetines blancos. Si se extraen 2 pares de calcetines aleatoriamente, que probabilidad hay
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En un cajón hay 10 pares de calcetines negros y 6 pares de calcetines blancos. Si se extraen 2 pares de calcetines aleatoriamente, que probabilidad hay

User Nmc
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Answer:

Formas de elegir cualquier 2 calcetines de 24 calcetines a 24C2

Formas de elegir 2 calcetines NEGROS de 12 calcetines NEGROS 12C2

Probabilidad de recoger 2 calcetines NEGROS (P1) 12C2 / 24C2 a 66/276

Probabilidad de recoger 2 calcetines BLANCOS (P2) 12C2 / 24C2 a 66/276

Probabilidad de elegir los 2 calcetines del mismo color: P1+P2 a 66/276 + 66/276 a 11/23.

esto le dará una pista

Explanation:

User Peko
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