5,336
edits
Probability: Difference between revisions
→Conditional Random Variables
(→Basics) |
|||
| Line 34: | Line 34: | ||
Two random variables are independant if <math>f_{X,Y}(x,y) = f_X(x) f_Y(y)</math>. | Two random variables are independant if <math>f_{X,Y}(x,y) = f_X(x) f_Y(y)</math>. | ||
Otherwise, the marginal distribution is <math>f_X(x) = \int f_{X,Y}(x,y) dy</math>. | Otherwise, the marginal distribution is <math>f_X(x) = \int f_{X,Y}(x,y) dy</math>. | ||
===Change of variables=== | ===Change of variables=== | ||