From a set of 23 marbles 4 black 10 yellow and 9 green we

From a set of

23

marbles,

4 black

,

10 yellow

,

and

9 green

,

we choose one at random. What are the odds in favor of choosing a

yellow

marble?

Solution

23 marbles are there of which 4 black, 10 yellow, and 9 green

The odds in favor - the ratio of the number of ways that an outcome can occur compared to how many ways it cannot occur.

So, odd in favor = (10/23) / 1 - (10/23) = 10/13