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Abit stuck, any help appreciated, thanks.. And what are the limits when integrating?

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- May 7th 2011, 07:51 PMqwerty1234Probability density function
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Abit stuck, any help appreciated, thanks.. And what are the limits when integrating? - May 7th 2011, 08:51 PMpickslides
It should be clear that $\displaystyle \displaystyle X=\sqrt[3]{2Y-1}$

For the limits of integration, x = -1,1, then substitute these values into $\displaystyle \displaystyle Y= \frac{1}{2}(X^3+1)$ - May 7th 2011, 09:52 PMmatheagle
don't forget the chain rule

$\displaystyle f_Y(y)=f_X(x)\left|{dx\over dy}\right|$ - May 9th 2011, 08:51 AMqwerty1234
thanks!