Random Algebra

Given functions
f(a,b) = random(a) < random(b)
and
g(a,b) = a < random(a+b)

which if of them is more likely to result into 1, if random(n) returns arbitrary number in range of [0;n)?

Justify your answer.

>>29
Mexicans illegals don't have higher education. They work in fields or in construction. Programmers without educations usually do freelance web coding stuff and live in some cheap country, like Mexico itself (pro-tip: USA is not the cheapest country to live in).