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Mathematics, 04.12.2020 04:40 nathangirnet

Una asociación benéfica contrata estudiantes para que soliciten donaciones por teléfono. Después de un breve período de preparación, los estudiantes telefonean a los potenciales donantes y se les paga una comisión. La experiencia indica que, normalmente, estos estudiantes logran sólo un éxito moderado, y el 70% de ellos deja el trabajo en las dos primeras semanas. La asociación contrata seis estudiantes, que pueden considerarse una muestra aleatoria.

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