Let S be the set of all quadratic equations of the form x2 + bx + c = 0 where b, c ∈ {1, 2, 3, 4, 5, 6}. If an equation is selected at random form S, then the probability that the equation has real roots is_______.
1
\(\frac{9}{{12}}\)
2
\(\frac{9}{{36}}\)
3
\(\frac{19}{{36}}\)
4
\(\frac{7}{{36}}\)