AP Statistics Quiz
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INFERENCE FOR CATEGORICAL DATA: PROPORTIONS
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A university tests whether the proportion of applicants who accept an admission offer is different from 0.60 after changing financial-aid packages. They test H0:p=0.60H_0: p=0.60 vs. Ha:p≠0.60H_a: p\neq 0.60 at α=0.05\alpha=0.05. The university fails to reject H0H_0 and reports no convincing evidence the acceptance rate changed. In reality, the true acceptance rate is p=0.52p=0.52. Which type of error was made?
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