Question

Ryan has bought tickets for a raffle. The odds in favor of his winning are 2 :7. What is the probability of his winning?

Answer 1

As given by the question

There are given that the ratio, 2: 7.

Now,

Tota number of wining favor is:

$2+7=9$

Then,

According to the question, the odds are in favor.

So,

The probability of winning is:

$\begin{gathered} P=\frac{\text{ value from the ratio}}{total\text{ number of wins}} \\ P=\frac{2}{9} \end{gathered}$

Hence, probability is:

$P=\frac{2}{9}$