Assume that the joint density of X, Y and Z is given by

fX;Y;Z(x; y; z) = 6x/z^3 ; 0 < x < y < z < 1:

(a) Compute the marginal densities of X, Y and Z.

(b) Find P(Z <= .8; Y <= .5)

not sure how to do this

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- Sep 27th 2009, 03:06 PMjlucas285joint probability density functions help
Assume that the joint density of X, Y and Z is given by

fX;Y;Z(x; y; z) = 6x/z^3 ; 0 < x < y < z < 1:

(a) Compute the marginal densities of X, Y and Z.

(b) Find P(Z <= .8; Y <= .5)

not sure how to do this - Sep 27th 2009, 05:24 PMCUEngineering
You should

**not**post the entire problem onto this forum and ask someone else to solve it for you.**Please do not answer the problem**. This is a homework assignment and this student has**violated Cornell University's Academic Code.**

Instead, you should go to your professor or TA's office hours and consult for help there. - Sep 28th 2009, 12:29 AMmr fantastic