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Odds Against

Odds Against

Odds m:n (read aloud "m to n") against an event mean we expect the event will not to occur m times for every n times it does occur.

 

When odds against an event are m:n, probability it occurs is n/(m+n). Example: odds 5:1 against rolling a 3 gives 1/6 probability.

 

 

See also

Odds in favor, odds in gambling