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Math Help - Joint probability density function

  1. #1
    Kai
    Kai is offline
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    Joint probability density function

    1. Let X and Y have joint probability density function given by

    f(x,y)= kxy, for 0<=x<=1 , 0<=y<=1.
    0 elsewhere.

    (i) Find the value of k.
    (ii) Find the joint distribution for X and Y.
    (iii)...

    (i) I have been able to do it, using \int_0^1 \int_0^1 kxy  dydx=1

    For the (ii) am getting confused, what it wants me to do actually ?
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  2. #2
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    Quote Originally Posted by Kai View Post
    1. Let X and Y have joint probability density function given by

    f(x,y)= kxy, for 0<=x<=1 , 0<=y<=1.
    0 elsewhere.

    (i) Find the value of k.
    (ii) Find the joint distribution for X and Y.
    (iii)...

    (i) I have been able to do it, using \int_0^1 \int_0^1 kxy dydx=1

    For the (ii) am getting confused, what it wants me to do actually ?
    I think the question is asking for F(X,Y).
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