3 Attachment(s)
2D table of random variables
We have two random variables.
Attachment 23650
Attachment 23651
I would like to know how to get the probabilities p1, p2, p3 ... of two random variable in a table?
Attachment 23652
I just know that the sum of all probabilites p1, p2, p3... must be equal to 1!
Re: 2D table of random variables
Quote:
Originally Posted by
Nforce
We have two random variables.
Attachment 23650 Attachment 23651
I would like to know how to get the probabilities
p1, p2, p3 ... of two random variable in a table?
Attachment 23652
I just know that the sum of all probabilites
p1,
p2,
p3... must be equal to
1!
Just let $\displaystyle m=1,~2,~3~\&~n=1,~2,~3$ form a matrix $\displaystyle J=\left(a_{m,n}\right)$ where $\displaystyle a_{m,n}=P(x_m)\cdot P(y_n)$.
Re: 2D table of random variables
Thank you, the sum is really 1. Can I ask is this a general rule? Is correlation or dependence effect this?