若随机变量XN(u,),则P(X>a)=1-P(Xa)/ananas/latex/p/173/ananas/latex/p/3922/ananas/latex/p/1237
举一反三
- 已知随机变量XN(µ,),且P(X≥2)=0.5,P(X≥5)=Φ(-1),则μ.../ananas/latex/p/3922
- 若随机变量,,则Φ(-1)=,Φ(1)=. /ananas/latex/p/569761/ananas/latex/p/1338074
- 已知()=0.4,则()=( )/ananas/latex/p/152/ananas/latex/p/278/ananas/latex/p/847/ananas/latex/p/281/ananas/latex/p/152/ananas/latex/p/4781/ananas/latex/p/7419/ananas/latex/p/6547
- 已知向量组 ,,, 若 ,, 线性相关,则t=./ananas/latex/p/1207466/ananas/latex/p/1207483/ananas/latex/p/1207493/ananas/latex/p/1390/ananas/latex/p/2677/ananas/latex/p/56537
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