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Hello, I would like to see the first few problems solved to see what the question is asking me. Its been a while for me with math stats and regression math. Thank you so much in advance.

1. Let Xi, . . . , X3 i id. N(-1, 4) and Yi, . . . , Ys i N(0, 1) b t. Using properties of e independden the normal distribution, derive the distribution of the following random variables. (b) W2=12-1(X +1) (d) W 2Y;

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