AlishaP676549 AlishaP676549
  • 04-11-2022
  • Mathematics
contestada

es cuanto vale el area bajo la curva normal estandarizada por un valor"z"entre -056 y0.56

Respuesta :

PhinehasD723735 PhinehasD723735
  • 04-11-2022

Pare buscar el area bajo la curva normal estandarizada entre z=-0.56 y z=0.56 es necesario consultar una tabla normalizada de la función normal. Estos valores están estandarizados.

[tex]z=\frac{x-\mu}{\sigma}[/tex]

Para z = -0.56, tenemos que el área desde menos infinito es 0.28774.

Pare z = 0.56, el área desde menos infinito es 0.71226.

El área buscada es la resta entre ambos valores:

[tex]0.71226-0.28774=0.42452[/tex]

Es decir, el área es de 0.42452.

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