
Conocimientos previos
Authored by Tiara Salinas
Mathematics
12th Grade
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál es la probabilidad de: Obtener un número par al lanzar un dado no cargado?
0,5
1/6
1/3
0,25
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál es la probabilidad de: Escoger un número de dos cifras menor que 20 y que la suma se ellas sea 9?
1/20
0,2
0,1
1/19
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
¿Cuál es la probabilidad de: Obtener un número primo en el lanzamiento de un dado de 20 caras?
0,3
0,5
9/20
0,4
4.
MULTIPLE SELECT QUESTION
15 mins • 3 pts
Selecciona la media, la varianza y la desviación estándar de la siguiente muestra de datos:
{ 1, 1, 1, 1, 1, 1, 1, 1}
1
1/8
0
0
1/4
5.
MULTIPLE SELECT QUESTION
15 mins • 3 pts
Selecciona la media, la varianza y la desviación estándar de la siguiente muestra de datos:
{ 3, 3, 3, 3, 5, 5, 5, 5}
4
2
1
0
1
6.
MULTIPLE SELECT QUESTION
15 mins • 3 pts
Selecciona la media, la varianza y la desviación estándar de la siguiente muestra de datos:
{ 2, 2, 3, 4, 4, 4, 6, 8, 15, 21}
31,4
6,9
5,95
35,49
5,6
7.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Se tomaron muestras de sangre a 65 pacientes, los cuales fueron clasificados por grupo sanguíneo y género. Los resultados se detallan en la tabla.
¿Cuál es la probabilidad de que, al seleccionar una persona, esta sea del tipo A o B?
Aproxima tus resultados a centésima.
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