来自何镇陆的问题
原题是：“Alistofnumbershasameanof8andastandarddeviationof2.5.Ifxisanumberinthelistthatis2standarddeviationsabovethemean,whatisthevalueof”能说一下具体怎么写,我感觉没看懂这道题...是一道GRE
原题是：“Alistofnumbershasameanof8andastandarddeviationof2.5.Ifxisanumberinthelistthatis2standarddeviationsabovethemean,whatisthevalueof”能说一下具体怎么写,我感觉没看懂这道题...是一道GRE数学题.....
1回答
2020-11-24 22:54