A bag contains 2 red marbles, 4 blue marbles and 7 green marbles. If two marbles are drawn out of the bag, what is the exact probability that both marbles drawn will be blue?

Question

asked Mar 22, 2024 102k views

1 Answer

Garyamorris · Answer 1 · 2024-03-28T18:43:42+0000

Answer:

Explanation:

2 + 4 + 7 = 13

Probability of picking a blue marble once = 4/13

Probability of picking a blue marble twice = 4/13 + 4/13 = 8/13