Geometric probability (with regards to span)

Suppose we have two non-parallel vectors in ${\mathbb{R}}^{3}$.

Now, if we were to randomly select another vector in ${\mathbb{R}}^{3}$, what is the probability that that new vector lies in the span of the first two vectors?

Suppose we have two non-parallel vectors in ${\mathbb{R}}^{3}$.

Now, if we were to randomly select another vector in ${\mathbb{R}}^{3}$, what is the probability that that new vector lies in the span of the first two vectors?