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A/B 测试: 10\% 看版本 B。3 朋友独立看 B 概率?(答: 0,1^3 = 0,001 。)
A/B 测试: 10\% 看版本 B。3 朋友独立看 B 概率?(答: 0,1^3 = 0,001 。)
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