- #1
Phox
- 37
- 0
Homework Statement
Let X and Y be random variables of the continuous type having the join p.d.f.:
f(x,y) = 8xy, 0<=x<=y<=1
Find the marginal pdf's of X. Write your answer in terms of x.
Find the marginal pdf's of X. Write your answer in terms of x.
Homework Equations
The Attempt at a Solution
f1(x) = integral(8xy)dy from 0 to 1
f2(y) = integral(8xy)dx from 0 to 1
f1(x) = 4x
f2(x) = 4y
This isn't right. what am I doing wrong?