A bag contains 9 marbles: 4 are green, 2 are red, and 3 are blue Yoko chooses a marble at random, and without putting it back, chooses another one at

random. What is the probability that the first marble is red and the second is blue? Write your answer as a fraction in simplest form.

Question

Valerie Stevens

Mathematics

4 August, 10:51

A bag contains 9 marbles: 4 are green, 2 are red, and 3 are blue Yoko chooses a marble at random, and without putting it back, chooses another one at

random. What is the probability that the first marble is red and the second is blue? Write your answer as a fraction in simplest form.

+2

Answers (1)

Know the Answer?

Bruce Burke · Answer 1

1/12

Step-by-step explanation:

Probability of first marble being red is 2/9.

Then since he is not replacing the marble, there is only 8 marbles left in the bag. So the probability of choosing blue is 3/8. Then you multiply 2/9 * 3/8 = 6/72.

In simplest form: 1/12

A bag contains 9 marbles: 4 are green, 2 are red, and 3 are blue Yoko chooses a marble at random, and without putting it back, chooses another one atrandom. What is the probability that the first marble is red and the second is blue? Write your answer as a fraction in simplest form.

A bag contains 9 marbles: 4 are green, 2 are red, and 3 are blue Yoko chooses a marble at random, and without putting it back, chooses another one at

random. What is the probability that the first marble is red and the second is blue? Write your answer as a fraction in simplest form.