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Resuelve el problema sobre las tasas de inters de los aplicantes para crdito de un banco. Las tasas se distribuyen normal con una media 200
Resuelve el problema sobre las tasas de inters de los aplicantes para crdito de un banco. Las tasas se distribuyen normal con una media 200 y una desviacin estndar de 50. Si 40 solicitantes diferentes son seleccionados al azar, encuentre la probabilidad de que su media es superior a 215.
A)0.0287
B)0.1179
C)0.4713
D)0.3821
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