The probability of an event is 4/5. How do you find the odds against this event?

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Answer 1 · 2017-03-21T21:04:30

#1/4#

For an event with probability #P(A)#, the odds in favour can be calculated as:

#OddsFavour(A)=(P(A))/(1-P(A))#

Odds against this event is simply the reciprocal of the odds in favour.

#OddsAgst(A)=(1-P(A))/(P(A))#

#=(1-4/5)/(4/5)#

#=(1/5)/(4/5)#

#=1/4#