Math
If the odds in favor of an event A are 3 to 1, what is the probability associated with event A occurring? I am so confused with this question could you show me how I could solve it?
asked by
sam

http://mathforum.org/library/drmath/view/56706.html
posted by DrBob222

The odds in favour of event A is 3:1
so the prob of event A happening is 3/4
If the odds in favour of some event is a:b
then the prob of event A is a/(a+b) and the prob of the event not happening is b/(a+b)
Note a/(a+b) + b/(a+b)
= (a+b)/(a+b) = 1posted by Reiny
Respond to this Question
Similar Questions

math
the probability of an event is 7/10. Find the odds in favor of this event occurring. 
Math
If the odds in favor of an event A are 3 to 1, what is the probability associated with event A occurring? 
help please
A student wants to know why if the odds in favor of an event are 3:4, the probability of the event occurring is not 3/4 How do you respond? 
statistics  conditional probability
Event A has probability 0.9 of occurring. Event B has 0.2 chance of occurring if, and only if, event A has occurred. What is the overall probability that event B will occur? I'm so confused. This seems so simple, I'm not sure why 
statistics  conditional probability
Event A has probability 0.9 of occurring. Event B has 0.2 chance of occurring if, and only if, event A has occurred. What is the overall probability that event B will occur? I'm so confused. This seems so simple, I'm not sure why 
math
You are given the probability of event E. Find the odds in favor of event E and the odds against event E. a. 1/8 b. 2/5 
PreCalc, Probability
From a deck of 52 playing cards, 7 cards are dealt. What are the odds of the following event occuring 4 From one suit, 3 from another The probability of the event occurring is also acceptable. But, the answer is 99/16722971 (as 
math
the probability of an event is 7/12. what are the odds against this event occurring? 
math
If the odds against an event A are 15 to 1, what is the probability associated with event A occurring? 
Math
If the odds against an event A are 15 to 1, what is the probability associated with event A occurring?