Question: Normal moments. Let X be an N0;1-distributed random variable. Show that E.X2k/ D 2k .kC 1 2 /=. 1 2 / for every k 2

Normal moments. Let X be an N0;1-distributed random variable. Show that E.X2k/ D 2k .kC 1 2 /=. 1 2 / for every k 2 N, and calculate the explicit value for k D 1; 2; 3.

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