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1)Las cantidades gastadas, por determinado grupo de edad, en la compra de artculos en lnea tienen una distribucin normal cuya media es $125 y cuya

1)Las cantidades gastadas, por determinado grupo de edad, en la compra de artculos en lnea tienen una distribucin normal cuya media es $125 y cuya desviacin estndar es $25.Qu porcentaje gasta menos de $50?

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