
1°Medio (probabilidad clásica)
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Ricardo Mardones
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Experimento: sacar una bola de la siguiente urna
Suceso A: Sacar un múltiplo de 3
3. ¿Cuál es la probabilidad de obtener un número múltiplo de 3 al sacar una bola de la urna?
6
20/6
3
3/10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Experimento: sacar una bola de la siguiente urna
Suceso B: Sacar un número divisor de 18
4. ¿Cuál es la probabilidad de obtener un número divisor de 18 al sacar una bola de la urna?
3/20
3/10
5/20
5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿En que consiste la "Regla de Laplace"?
Dividir los casos favorables en casos posibles.
Dividir los casos posibles en casos favorables.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cual es el espacio muestral al lanzar dos monedas?
C = cara y S = sello
CC, CS, SS, CC
CC, CS, SC, CC
CC, CS, SC, SS
CC, SS, SS, CC
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si se lanza un dado no cargado, ¿Cuál es la probabilidad de obtener un número múltiplo de tres?
Múltiplos de 3= {0, 3, 6, 9, 12, 15...}
(Recordar Regla de Laplace)
1/4
3/6
1/6
2/6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si lanzamos una moneda y un dado, ¿Cuál es la probabilidad de que al lanzar la moneda salga cara y en el dado salga un número par.
(Recordar el principio multiplicativo)
1/2 x 1/6 = 1/12
1/2 x 1/2 = 1/6
1/2 x 3/6 = 3/12
1/2 + 1/2 = 1
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Si la probabilidad de que llueva hoy es de 0,2 ¿Cuál es la probabilidad de que no llueva?
0,8
1 - 0,8
1 - 0,2
80%
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