Question

A bag contains 2 red marbles, 4 blue marbles and 8 green marbles. If two marbles are drawn out of the bag, what is the exact probability , that both marbles drawn will be green?

Answer 1

4 out of 13

Explanation:

the probability for the first marble to be green is 8 out of 14

and for the second marble to be green is 7 out of 13 because you took one from the green marbles before and the overall quantity will be one less so multiply the two probabilities and you'll get the answer