Question

A bag contains 6 red marbles, 4 blue marbles, 7 green marbles, and 3 yellow marbles. A marble is drawn from the bag and is not replaced. Then a second marble is drawn. What is the probability that both marbles drawn were red?

Answer 1

There are 20 marbles so 6/20 for the first one red and
(6/20)(5/19)
for two red marbles.

Answer 2

multiply?

Answer 3

Yes.

Answer 4

so 3/38 ?

Answer 5

That is what I got.

Answer 6

thanks I just wanted to make sure it was'nt 3/40