Question: Find the expectation of C1. A random variable Cv follows a x2 distribution with v degrees of freedom if Cv = X21 + X22 +

Find the expectation of C1.
A random variable Cv follows a x2 distribution with v degrees of freedom if
Cv = X21 + X22 + ... + X2v
where X1, X2, ... , Xv follow the standard normal distribution.

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