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Utilice la tabla de valores z y la siguiente informacin para contestar las preguntas 12 a la 15.Suponga que la distribucin de probabilidad binomial aproximada

Utilice la tabla de valores z y la siguiente informacin para contestar las preguntas 12 a la 15.Suponga que la distribucin de probabilidad binomial aproximada tiene p = 0.60 y n = 200 (8 pts.) 12. Cules son la media y la desviacin estndar?

13. Cul es la probabilidad de 100 a 110 xitos?

14. Cul es la probabilidad de 130 o ms xitos?

15. Cul es la probabilidad de que resulten menos de 120 xitos?

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