141k views
3 votes
There are 7 yellow marbles, 6 blue marbles, 5 green marbles and 3 red marbles. What is the probability of drawing a red and then a blue marble

WITHOUT replacement?

User DropDrage
by
5.1k points

1 Answer

0 votes

Answer:

3/70

Explanation:

P(R,B) no replacement: 3/21 x 6/20 = 1/7 x 3/10 or 3/70 reduced

User Peetya
by
4.9k points