9.11: Solución Capitular (Practica+ Tareas)
- Page ID
- 151062
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38.
una prueba de cola derecha
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una prueba de cola izquierda
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Esta es una prueba de cola izquierda.
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Esta es una prueba de dos colas.
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c
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b
d
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d
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c
c
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- \(H_0: \mu \geq 150 H_a: \mu < 150\)
- \(p\)-valor = 0.0622
- alfa = 0.01
- No rechace la hipótesis nula.
- Al nivel de significancia del 1%, no hay evidencia suficiente para concluir que los estudiantes de primer año estudien menos de 2.5 horas diarias, en promedio.
- La afirmación del grupo académico estudiantil parece ser correcta.
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