
PROBABILIDAD: REGLA DE LA SUMA
Authored by RAINIER LUNA
Mathematics
9th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se lanza un dado de seis caras. ¿Cuál es la probabilidad de que el número obtenido sea un múltiplo de 2 o un múltiplo de 3?
1/3
2/3
5/6
1/2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un grupo de estudiantes, el 40% practica fútbol y el 30% practica baloncesto. Si el 10% practica ambos deportes, ¿cuál es la probabilidad de que un estudiante seleccionado al azar practique al menos uno de los dos deportes?
0.60
0.70
0.80
0.90
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una urna hay 10 bolas rojas, 15 bolas verdes y 5 bolas azules. Se selecciona una bola al azar. ¿Cuál es la probabilidad de que sea roja o azul?
1/3
1/2
2/3
4/5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un mazo estándar de 52 cartas, ¿cuál es la probabilidad de sacar una carta que sea un corazón o una figura (J, Q, K)?
1/2
13/52
22/52
17/52
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una encuesta, el 60% de los encuestados dijo que les gusta la pizza y el 40% dijo que les gusta la pasta. Si el 20% mencionó que les gustan ambos, ¿cuál es la probabilidad de que una persona seleccionada al azar NO prefiera estos alimentos?
0.60
0.80
0.20
0.90
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