
PROBABILIDADES II
Authored by EL VIVIENTE
Mathematics
1st - 3rd Grade
Used 6+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un grupo de estudios está conformado por 11 niños y 7 niñas. Si se escogen 4 estudiantes al azar. ¿Cuál es la probabilidad de que todos sean niños?
11/101
11/102
13/101
11/103
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En una fiesta donde asistieron 80 personas, resulta que 60 beben, 40 fuman y 10 no fuman ni beben. Si de estas personas se escoge, una de ellas al azar. ¿Cuál es la probabilidad que beba, pero no fume?
3/4
3/8
1/8
7/8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se lanza tres dados. ¿Cuál es la probabilidad de que los números que salgan en sus caras sumen 6?
7/108
11/216
3/108
5/108
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En una caja se disponen de 9 bolas numeradas del 1 al 9. Si se extraen dos bolas al azar. ¿Cuál es la probabilidad de obtener dos números primos?
1/3
1/6
2/3
3/4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una urna contiene 12 bolillas rojas, 14 blancas y 6 verdes. Si, se extraen sucesivamente 3 bolillas, determinar la probabilidad que las dos primeras sean blancas y la tercera verde.
91/2480
91/2380
97/2480
71/2380
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