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Considere la siguiente tabla donde se presenta el evento de

December 12, 2021

Considere la siguiente tabla donde se presenta el evento de que una acción cierre en alza o en baja hoy y el evento de lo mismo pero al día siguiente (debe presentar los resultados adjuntando un archivo de Excel donde cada parte debe ser una página del archivo):

Cierra en alza mañana

Cierra en baja mañana

Total

Cierra hoy en alza

.30

.76

Cierra hoy en baja

Total

.40

Proceda a completar la tabla de contingencia.
Calcule la probabilidad de que cierre en alza hoy pero no mañana.
Calcule la probabilidad que cierre en alza en ambos días.
Calcule la probabilidad que nunca cierre en baja.
Calcule la probabilidad que cierre en baja mañana dado que hoy cerró en alza.
Calcule la probabilidad de que cierre en alza hoy o en baja mañana.
Calcule la probabilidad de que cierre en alza mañana dado que hoy cerró en alza.
Determine si los eventos cerró en alza hoy y cerró en baja mañana son independientes.

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