Question: Define a chi-square variate with n d.f. If X and Y are independent random variables with X-X and Y~x, then obtain the distribution of

Define a chi-square variate with n d.f. If X and Y are

Define a chi-square variate with n d.f. If X and Y are independent random variables with X-X and Y~x, then obtain the distribution of X (X+Y) and identify it. Also calculate its mean and variance.

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