未分类题

若X~N(μ,σ2),,则μ=______,σ=______,P(a<X≤b)=______.

A.174.24.96:6088/Latex/latex.action?latex=XGludF97YX1eYlxmcmFjezF9ezNcc3FydHsyz4B9fWVeey1cZnJhY3soeC01KSBeMn17MTh9fWR4%0D%0APTAuNw%3D%3D'

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