- #1

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## Homework Statement

## Homework Equations

Y=1/2*(X1-X3)^2+1/14*(X2+2X4-3X5)^2

## The Attempt at a Solution

For (a) part, I have only learned to find the moment-generating function of Y, but not finding the p.d.f.

Moreover, the examples I have seen only involves random variables Xi to the power 1, but not to higher power.

For (b) part, the difficulty for me is just similar to part (a).

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