Question

Let’s say u have 3 red blocks,two blue blocks and 4 yellow blocks,what it chance of pulling 2 of the same color????

NEED HELP A.S.A.P
I will mark u brailist

Answer 1

3 red blocks + 2 blue blocks + 4 yellow blocks = 9 blocks in total.

Pulling two reds in a row :

3/9 * 2/8 = 3/36

Pulling two blues in a row :

2/9 * 1/8 = 1/36

Pulling two yellows in a row :

4/9 * 3/8 = 1/6