Respuesta :

Given -

The odds against winning a prize in the raffle = 9:1

To Find -

Probability of winning prize =?

Step-by-Step Explanation -

Total possible outcome = 9 + 1 = 10

Favourable outcome = 9

So,

Probability = Total outcome / Favourable outcome

Probability = 9/10 = 0.9

Final Answer -

Probability of winning prize = 0.9