Question

Molly has a jar containing 4 yellow 3 blue 3 green and 2 orange marbles If Molly removes one marble without looking record the color does not replace it before drawing again what is the probability that she will remove two yellow marbles

Answer 1

12 marbles to start
drew one yellow 4/12

then 11 marbles of which 3 are yellow
3/11
so

4/12 * 3/11

= 1/11