You randomly draw a marble out of a bag that contains 202020 total marbles. 121212 of the marbles in the bag are blue. what is \text{p(draw a blue marble})p(draw a blue marble)p, left parenthesis, d, r, a, w, space, a, space, b, l, u, e, space, m, a, r, b, l, e, right parenthesis?