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Question
suppose a bag contains 12 green cubes, 5 blue cubes, and 3 yellow cubes. find each probability if you choose one cube at random. what is the probability of choosing a green cube? options: 3/5, 1/4, 2/5, 3/20
Step1: Calcular el total de cubos
Sumar la cantidad de cubos de cada color: \( 12 + 5 + 3 = 20 \) cubos en total.
Step2: Calcular la probabilidad de elegir un cubo verde
La probabilidad \( P \) de elegir un cubo verde es el número de cubos verdes dividido por el número total de cubos: \( P(\text{verde}) = \frac{12}{20} \)
Simplificar la fracción: \( \frac{12}{20} = \frac{3}{5} \)
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\( \frac{3}{5} \) (la opción es "3/5")