Question

22. In a bag there are 7 red marbles, 3 yellow marbles and 2 blue marble.

What is the probability that a blue marble will be selected on the first
draw?
ㅇ 곪
ㅇㅎ
01
ㅇㅎ

Answer 1

1/6

Explanation:

there are 7 + 3 + 2 = 12 marbles.

2 of the are blue.

probability of selecting blue = 2/12 = 1/6