2 In country \(X , 25 \%\) of people have fair hair. In country \(Y , 60 \%\) of people have fair hair. There are 20 million people in country \(X\) and 8 million people in country \(Y\). A person is chosen at random from these 28 million people.

1. Find the probability that the person chosen is from country \(X\).
2. Find the probability that the person chosen has fair hair.
3. Find the probability that the person chosen is from country \(X\), given that the person has fair hair.