
Examen de Probabilidad y Estadística
Quiz
•
Mathematics
•
12th Grade
•
Hard
German Espinoza
Used 1+ times
FREE Resource
63 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la probabilidad de obtener al menos una cara al lanzar una moneda tres veces?
1/8
3/8
7/8
6/8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un espacio muestral de 10 resultados igualmente probables, si un evento A tiene 3 resultados favorables, ¿cuál es P(A)?
0.1
0.3
0.5
0.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué propiedad debe cumplir toda medida de probabilidad P(A)?
P(A) ≤ 0
P(A) = 1 solo si A es el conjunto vacío
P(A) ≥ 0
P(A) > 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dos eventos son mutuamente excluyentes si:
P(A ∩ B) > 0
P(A ∪ B) = P(A) + P(B)
A y B pueden suceder al mismo tiempo
Son independientes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si se lanzan dos dados, ¿cuál es la probabilidad de obtener la misma cifra en ambos?
1/6
1/12
1/36
6/36
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La probabilidad condicional P(A|B) se define como:
P(B)/P(A)
P(A ∩ B)/P(B)
P(B ∩ A)/P(A ∪ B)
P(A) × P(B)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el complemento del evento "obtener 1 o 2 al lanzar un dado"?
{1,2,3}
{3,4,5,6}
{2,3,4,5,6}
{1,2,6}
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