Warning: file_put_contents(): Only 0 of 5022 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 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_乐豆毛深蓝词典
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]