Maxwell Nguyen
08/06/2023 · High School
Eventos independientes 3. En una gaveta se tienen 3 clavos de antimonio, 5 de acero y 12 de aluminio. Si se extraen 3 clavos al azar, calcule la probabilidad de que sean de antimonio a) Si se regresa cada clavo antes de sacar el otro b) Si no se regresa cada clavo antes de sacar el otro c) Si sólo se regresa el segundo antes de extraer el tercero
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a) \( P(3 \text{ antimonio}) = \frac{27}{8000} \)
b) \( P(3 \text{ antimonio}) = \frac{1}{1140} \)
c) \( P(3 \text{ antimonio}) = \frac{171}{7600} \)
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