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Normal distribution E(x)=U

  1. Nov 12, 2009 #1
    suppose that f(x) is the density function of a normal distribution with mean u and standard deviation sigma. show that u= intergral from -infinity->+infinity xf(x)dx
     
  2. jcsd
  3. Nov 13, 2009 #2

    HallsofIvy

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    Again, what is the definition of "mean"?
     
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