
3°M: Regla Aditiva
Authored by Valerie Jelcic
Mathematics
1st Grade
Used 12+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Qué representa esta operación de conjuntos?
Unión
Intersección
Multiplicación
Suma
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una ruleta está dividida en 8 sectores iguales, numerados del 1 al 8. ¿Cuál es la probabilidad de obtener un número impar y mayor que 3?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si se lanza 3 veces una moneda ¿Cuál es la probabilidad de obtener 2 caras y un sello?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Al lanzar un dado, ¿cuál es la probabilidad de obtener un número impar o un número menor que 4?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se saca al azar una carta de una mazo de 52 cartas. Calcule la probabilidad de obtener corazones o espadas. (Considere que el mazo tiene 13 cartas de cada pinta)
1/2
13/52
1/4
2/52
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Se tienen en una bolsa 11 bolas, 5 son amarillas y 6 son azules. Para que la probabilidad de escoger una bola azul o una amarilla sea la misma, se necesita...
añadir una bola azul.
sacar una bola amarilla.
añadir 3 bolas azules y 4 bolas amarillas.
sacar 4 bolas amarillas y 2 bolas azules
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si los sucesos A y B son disjuntos. Además P(A) = 0,3 y P(B) = 0,5, entonces P(A ∪B ) es
0,9
0,4
0,45
0,8
0,63
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