Question

Choose the correct alternative in each of the following:
If X1 and X2 are independent random variables (r.v.s) having N (0,1) and N (0,16) distribution respectively then probability distribution of $X_{1}^{2} +\frac{1}{4}X_{2}^{2}$ is
A) N (0,17)
B) $x_{2}^{2}$
C) $t_{2}$
D) $F_{1,1}$

Answer 1

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but I need to answer because I need points for knowing that answer