
Repaso 1er Parcial
Authored by Fabio Gatti
Mathematics
1st - 10th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 2 pts
En este diagrama de Venn
la probabilidad conjunta vale 0.06
P(A) = 0.3
los sucesos A y B son mutuamente excluyentes
Los sucesos A y B son independientes
2.
FILL IN THE BLANK QUESTION
1 min • 2 pts
En una distribución simétrica la media, mediana y modo son
3.
MULTIPLE SELECT QUESTION
1 min • 2 pts
Este diagrama:
Presenta sesgo positivo
Es útil para representar variables cualitativas
Puede llevar en el eje de las ordenadas fi ; fr o fr%
Presenta su modo en el intervalo de x 12 a 14
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
La distribución de Poisson,
tiene un número máximo de ensayos, n
tiene media y varianzas iguales
la variable es continua
es muy sesgada a la izquierda para valores bajos del promedio de eventos pero se hace más simétrica a medida que el promedio se incrementa
5.
DRAW QUESTION
3 mins • 2 pts
Dos empresas proveen conectividad a una determinada ciudad, repartidas en un 60% del total para la empresa “Inac” y un 40% para la empresa “Ipei”. La empresa Inac brinda el servicio con una tasa de disponibilidad del 95% y la Ipei con una disponibilidad del 90%. Dibuja un diagrama de árbol para representar los posibles resultados.

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