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Si X denota el nmero de horas que Ud. estudia durante un da seleccionado al azar. Suponga que la funcin de probabilidad de X tiene
Si X denota el nmero de horas que Ud. estudia durante un da seleccionado al azar. Suponga que la funcin de probabilidad de X tiene la forma siguiente, donde k es constante.
P(X = x) = 0.1si x = 0
= kxsi x = 1 o 2
= k(5-x)si x = 3 o 4
= 0en otro caso
El coeficiente de variacin de la distribucin es:
a.0.423521
b.Ninguna de las otras respuestas
c.0.323220
d.0.523521
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