# what is statistically independent?

• Aug 11th 2008, 05:40 PM
sanat
what is statistically independent?
What is the quantitative method to check statistically independent events?
• Aug 11th 2008, 05:41 PM
sanat
What is the quantitative method to check statistically independent events?
What is the quantitative method to check statistically independent events?
• Aug 11th 2008, 09:05 PM
mr fantastic
Quote:

Originally Posted by sanat
What is the quantitative method to check statistically independent events?

A and B are independent events if one of the following three conditions are satisfied:

1. $\Pr(A \cap B) = \Pr(A) \cdot \Pr(B)$

2. $\Pr(A | B) = \Pr(A)$.

3. $\Pr(B | A) = \Pr(B)$.

So pick one of these conditions and check whether or not it holds.