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Se desea estimar el tiempo de vida de un lote de focos. Para ello se tomó como muestra 40 focos obteniendo una media de 5,013 hrs. Se sabe que da desviación estándar de 690 hrs. Estimar el tiempo de vida
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Se desea estimar el tiempo de vida de un lote de focos. Para ello se tomó como muestra

40 focos obteniendo una media de 5,013 hrs. Se sabe que da desviación estándar de 690
hrs. Estimar el tiempo de vida de focos con:
92% de confianza
96% de confianza

User Tremor
by
8.5k points

1 Answer

4 votes

Answer:

Step-by-step explanation:JONSJNSKJNSKS KJSNJKSNKJSNJKSNJKSNJKSNJKSNJKSN SJN?

User Esat Erkec
by
8.5k points
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