There Are 20 Red Marbles and 10 Blue Marbles Mixed

question 16

Multiple Choice

There are 20 red marbles and 10 blue marbles mixed together in a cloth bag. If you reach in and pull out a marble, without looking, what is the probability of selecting a blue marble?

• A) 0.75
• B) 0.50
• C) 0.25
• D) 0.33