The odds of choosing a winning ticket are 2: 8 what is the probability of choosing a winning ticket?

Remark
The easy way to do this is to add the odds together and divide this into the part of the odds which represents success. You will find other ways of doing this on the internet.

Develop the equation
P(success) = Successful part of odds / Total of the odds.
P(2) = 2 /(2 + 8) = 2/10
P(2) = 1/5

The probability of getting a winning ticket is 1/5. <<<< Answer.

The year before the 10s so it was like when caveman were alive