当72较大,p和1一p均不太小时,如np与n(1一p)均大于5时,样品率p的抽样分布近似正态分布,可按____求总体率的1一a可信区间。.
正态近似法
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上一篇:若级数的前n项和 下一篇:( ) maintained that the scenes and events of everyday life and the speech of ordinary people were the raw material of which poetry could and should be made.
若级数的前n项和
下一篇:( ) maintained that the scenes and events of everyday life and the speech of ordinary people were the raw material of which poetry could and should be made.