A bag contains 10 marbles: 2 are green, 4 are red, and 4 are blue. Carlos chooses a marble at random, and without putting it bac

Question

3 years ago

14

A bag contains 10 marbles: 2 are green, 4 are red, and 4 are blue. Carlos chooses a marble at random, and without putting it bac

k, chooses another one at random. What is the probability that the first marble was blue and the second is green? Write answer as a fraction in simplest form.

Mathematics

2 answers:

Sveta_85 [38] · Answer 1 · 2022-07-31T21:02:48+03:00

Sveta_85 [38]3 years ago

5 0

Step-by-step explanation:

The fraction is 4/10 * 2/9 = 4/45.

valina [46] · Answer 2 · 2022-07-31T22:50:22+03:00

valina [46]3 years ago

5 0

Answer:

The probability is 4/45

Step-by-step explanation:

We know the chances of a blue marble is 4/10 so thats a first

The chances of a green marble WITHOUT the blue marble being put back is 2/9

So you multiply the two fractions

2/9*4/10

you’ll get 8/90 or simplified

4/45