Question

A bag contains 5 blue marbles, 6 red marbles, and 9 green marbles. Two marbles are drawn at random. What is the probability of first drawing a blue marble and then, without replacing it, drawing a red marble?

Answer 1

you have a total of 5+6+9=20 marbles
after you draw a blue marble your're left with 19

Answer 2

so the probability is..

Answer 3

I came up with 3/38?

Answer 4

@lucaz

Answer 5

1/380

Answer 6

20 times 19