Question

A bag contains several marbles 7 of which are blue 18 are yellow and 12 are green

If 3 marbles are chosen without replacement what is the probability that they are all yellow

Answer 1

The answer would be 8.1% (8.108% if you need the exact percentage.)

Explanation:

All you would need to do is add 7 + 18 + 12 which = 37, and divide 3/37, which in percentage that gives you 8.1%. (8.108% if you need exact percentage.)