SOLUTION: What is the probability of a horse winning a race when the odds against it are 2 to 1? How do I do it? Thanks George

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Question 612065: What is the probability of a horse winning a race when the odds against it are 2 to 1?
How do I do it?
Thanks
George
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
If the odds against an event are m:n, then the probability of success is n/(m+n)

In this case, m = 2 and n = 1. So the probability is n/(m+n) = 1/(2+1) = 1/3