Question

Marley has marbles of the same size and shape in a bag. There are 2 green, 5

blue, and 3 red marbles in the bag. Marley picks two marbles without looking.
What is the probability he will pick two red marbles?

a) 3/15

b)1/15

c) 3/50

d) 1/4

Answer 1

B.) 1/15

Explanation:

1. 10 total marbles
2. 3/10 - 1/1 = 2/9
3. 3/10 × 2/9 = 1/15