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概率论与数理统计知到智慧树期末考试答案题库2025年内江师范学院.docx

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概率论与数理统计知到智慧树期末考试答案题库2025年内江师范学院

设风险资产X在过去20年间的价格为:34.62,34.85,34.76,35.56,38.08,38.89,39.93,41.8,42.74,40.06,42.73,42.75,44.64,48.83,51.09,53.29,58.26,59.88,55.88,54.7;风险资产Y在过去20年间的价格为:49.58,49.97,49.97,49.61,47.24,47.49,46.85,45.89,44.84,46.86,44.56,44.45,43.43,41.35,40.15,39.0

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