
Prova probabilitat
Authored by Óscar Martínez
Mathematics
12th Grade
Used 8+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sigui P(A)=0,2 i P(B)=0,4. Sabem que A i B són independents, llavors...
P(A/B) = 0,2
P(A∩B) = 0,8
P(A∩B) = 0,08
Cap resposta és correcte.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sigui P(A)=0,2 i P(B)=0,4. Sabem que A i B són independents, llavors...
P(AUB) = 0,52
P(A/B) = 0,2
P(A∩B) = 0,6
Cap resposta és correcte.
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si la probabilidad de tener la enfermedad A es del 5%, la de tener la enfermedad B es del 10% y la de tener al menos una de las dos es del 13%, ¿cúal es la probabilidad de tener las dos?
1%
2%
5%
8%
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El porcentaje de individuos fumadores o con bronquitis se puede interpretar como una probabilidad:
De un suceso intersección.
Condicionada.
De un suceso unión.
A posteriori.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si un dado se lanza 50 veces, ¿qué valores puede tomar la frecuencia relativa del suceso "salir par"?
Entre 0 y 100
Entre 0 y 50
Entre 0 y 1
Entre 1 y 100
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se extraen dos cartas de la baraja española de forma simultánea, por lo que no se devuelve a la baraja la primera carta en salir. Indica cuál de los siguientes sucesos es más probable
Una carta es de bastos y la otra no es de bastos
Las dos cartas son de oros
Una es de copas y la otra de bastos
Al menos una de las dos cartas es espada
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quin nombre reben dos esdeveniments on el resultat del primer influeix en el que passi amb el segon?
Compatibles
Condicionats
Dependents
Independents
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