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2.- Un estudio reciente revela que actualmente de cada 10 personas 7 efectan sus compras por internet. Si se selecciona una muestra de 150 personas,

2.- Un estudio reciente revela que actualmente de cada 10 personas 7 efectan sus compras por internet. Si se selecciona una muestra de 150 personas, determine la probabilidad de que en la muestra se encuentre dentro del 67% al 72% de compradores por internet. (30 puntos)

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