SOLUTION: If the probability of winning is 1/4, then what are the odds-against of winning?

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Question 639076: If the probability of winning is 1/4, then what are the odds-against of winning?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
PROBABILITY = S%2F%28S%2BF%29 = 1%2F4

ODDS in favor = S:F

ODDS against = F:S

1%2F4 = S%2F%28S%2BF%29

Cross multiply

4S = S+F
3S = F

Divide both sides by S

3%2F1+=+F%2FS

Therefore F:S = 3:1

Edwin