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
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
1 answer