
Estadística descriptiva
Quiz
•
Other
•
6th - 8th Grade
•
Practice Problem
•
Hard
Victoria Orozco Vidal
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fórmula de la varianza poblacional es:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fórmula de desviación media es:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La característica de las permutaciones es que:
El orden importa
El orden no importa
Se pueden repetir datos
Ninguna de las anteriores
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En una clase de alumnos se quiere elegir un comité formado por tres alumnos. ¿Cuántos comités diferentes se pueden formar?
39,270
6545
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2/3
1/2
1/6
1/3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si dos eventos, A y B, son tales que P(A) = .5, P(B) = .3, y P(A ∩ B) = .1, encuentre P(A|B)
0.6
0.2
0.333
0.34
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sea A el evento de que el empleado obtenga una calificación de aprobado en el examen
y sea M el evento de que se seleccione un hombre.
¿Los eventos A y M son independientes?
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