Question 913256
These are the Odds of Losing...:) 
2.5:1 , 5:2 ,p(losing) = 5/7 = 71.43% chance of losing. 28.57% chance of winning
4.8:1 , 48:10,  p(losing) = 48/58 = 82.76 % chance of losing. 17.24% chance of winning