[問題] 求助幫解統計問題!!
Let f( x)=2* g( x)*G(λ*x) -∞<X<∞
Where g( x) and G( x) are the density
and distribution function of
the standard normal distribution respectively.
Is f( x) a density function?
if yes,
find the mean of the distribution.
這是我學長問我的問題
無奈我現在是腦殘阿兵哥
麻煩學弟妹看有沒有空幫忙一下
感恩....Orz
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