Question

A bag of marbles has 3 red, 6 blue, and 3 white marbles in it. What is the probability of reaching in and selecting a red marble?

A. 1/2
B. 1/3
C. 1/4
D. 1/5

Answer 1

• the answer is C.1/4
• because the probability is =the no. of red balls/the total number of balls
• The probability of selecting a red marble=3/12=1/4

Answer 2

C. 1/4

Explanation:

There are in total 12 marbles in the bag. So the probability of picking a red marble is 3/12. If you simplify that, you get 1/4.