Warning: file_put_contents(/www/wwwroot/zidian/03883.cn/cache/e8c3a58f03c16bb362083aae48b4b46a.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/03883.cn/index.php on line 58 Chebyshev's inequality英英字典_Chebyshev's inequality剑桥英语解释_Chebyshev's inequality柯林斯英文解释_指尖鏈有道词典
1. N the fundamental theorem that the probability that a random variable differs from its mean by more than k standard deviations is less than or equal to 1/k² 契比雪夫不等式[statistics]