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Suppose that all of a firm’s managers are outperforming the benchmark, some by a little, some by a lot. If the confidence intervals for a quality control charts in portfolio management were widened, what would the most likely effect be? A. Type I error would become more likely and Type II error would become more likely. B. Type I error would become more likely and Type II error would become less likely. C. Type I error would become less likely and Type II error would become more likely. |