Let the pmf of X be defined by f(x)=6/((pi^2)(x^2)), x=1,2,3....

show that E(X) does not exist (Can you show that f(x) is a p.mf.?)

And I know that x^-2 converges to Pi^2/6 ..

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- October 6th 2010, 07:09 PMcalculuskid1finding the p.m.f
Let the pmf of X be defined by f(x)=6/((pi^2)(x^2)), x=1,2,3....

show that E(X) does not exist (Can you show that f(x) is a p.mf.?)

And I know that x^-2 converges to Pi^2/6 .. - October 6th 2010, 07:41 PMmr fantastic
- October 10th 2010, 08:33 AMmatheagle