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De acuerdo con la Asociacin Nacional de Atletas Universitarios de Estados Unidos (NCAA), los atletas de las principales universidades se graduaron, en general, al mismo

De acuerdo con la Asociacin Nacional de Atletas Universitarios de Estados Unidos (NCAA), los atletas de las principales universidades se graduaron, en general, al mismo ritmo que los otros estudiantes. La encuesta incluye a estudiantes que haban ingresado a la universidad antes de que se pusiera en prctica la proposicin 48 de la NCAA. (la proposicin 48, establece que las atletas deben mantener un promedio de calificaciones de 2.0 en una escala de 4.0). Suponga que una nueva encuesta aplicada a 500 atletas indica que 268 se graduaron. Encuentre un IC del 98 % para la proporcin de atletas universitarios que se graduan. El intervalo incluye el valor p = 0.51, que es el porcentaje de estudiantes que se gra duaron antes de entrar en vigor la proposicin 48? Que se puede concluir de esto?

According to the National Collegiate Athlete Association (NCAA), athletes from top universities generally graduated at the same rate as other students. The survey includes students who had entered college before NCAA Proposition 48 was put into effect. (Proposition 48 states that athletes must maintain a 2.0 grade point average on a 4.0 scale.) Suppose that a new survey of 500 athletes indicates that 268 graduated. Find a 98% CI for the proportion of college athletes who graduate. Does the interval include the p value = 0.51, which is the percentage of students who graduated before Proposition 48 went into effect? What can be concluded from this?

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