如果是5%，就是1-0.95^20=64%,和当时的估计差不多，谢

来源: bigcat2026 于 2026-03-31 13:14:34 [旧帖] [给我悄悄话] 本文已被阅读：次

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如果是5%， 就是1-0.95^20=64%,和当时的估计差不多，谢