I am stuck on this first bit of a question:

The joint PDF of X and Y is given by

f(x, y) = cxe^{-x} x>0, |y|<x

(a) Determine the constant c.

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- September 30th 2010, 12:06 AMulysses123Joint PDF
I am stuck on this first bit of a question:

The joint PDF of X and Y is given by

f(x, y) = cxe^{-x} x>0, |y|<x

(a) Determine the constant c. - September 30th 2010, 02:51 AMmr fantastic
- September 30th 2010, 03:04 AMamul28
I guess y takes values from -x to x because |y|< x ?

- September 30th 2010, 03:04 AMulysses123
that cant be right if |Y|<x integrating from 0 to x leaves out half the values,

since |Y|<x

-x<y<x - September 30th 2010, 03:07 AMmr fantastic