6. 22.19 Do our athletes graduate? The National Collegiate Athletic Association (NCAA) requires colleges to report the g

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6 22 19 Do Our Athletes Graduate The National Collegiate Athletic Association Ncaa Requires Colleges To Report The G 1 (54.38 KiB) Viewed 23 times

6. 22.19 Do our athletes graduate? The National Collegiate Athletic Association (NCAA) requires colleges to report the graduation rates of their athletes. At one large university, 82% of all students who entered in 2012 graduated within six years. One hundred forty-nine of the 190 students who entered with athletic scholarships graduated. Consider these 190 as a sample of all athletes who will be admitted under present policies. Is there evidence that the percentage of athletes who graduate is less than 82%? a. Explain in words what the parameter p is in this setting. b. What are the null and alternative hypotheses Ho and Ha? c. What is the numerical value of the sample proportion p? The P-value is the probability of what event? d. The P-value is P = 0.0968. Explain whether or not this P-value indicates there is some reason to think that graduation rates are lower among athletes than among all students.