Is it possible to say in general which of ex2 and ex2 will, Ask an Expert

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Is it possible to say in general which of E(X2) and E(X)2 will be larger?

a) Give an example of two random variables Y and Z such that E(Y 2) > E(Y )2 and E(Z2) < e(z)2="" or="" explain="" why="" one="" of="" these="" two="" is="">

b) Is it possible that E(X2) = E(X)2? If so, give an example. If not, explain why not.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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