Question

A bag contains 10 marbles: 6 are green, 2 are red, and 2 are blue. Melissa chooses a marble at random, and without putting it back, chooses another one at

random. What is the probability that both marbles she chooses are green? Write your answer as a fraction in simplest form.

Answer 1

1/3

Explanation:

the probability of the first is 6/10 or simplified 3/5

she then repeats its without putting the marble back 5/9 (as she has to remove a green marble)

to find the odds multiply 5/9 and 3/5 you get 15/45 reduced to 1/3, so the probability is 1/3