A dice game at a local carnival uses a 10-sided die that has been rigged. The even-numbered outcomes (2, 4, 6, 8, 10) have been made lighter so that they are three times more likely to occur than the odd-numbered outcomes (1, 3, 5, 7, 9). A player that rolls an odd number wins the game. What is the probability of winning this game?
A. 0.05
B. 0.15
C. 0.20
D. 0.25
E. 0.50