Probability Review 13

1. A bag contains 8 red marbles and 4 green marbles. What is the probability of randomly selecting a red marble?

(a)  

1. In a jar, there are 5 blue marbles, 3 yellow marbles, and 2 orange marbles. What is the probability of picking a yellow marble?

(a)  

1. If a bag holds 10 marbles, 3 of which are white and the rest are black, what is the probability of selecting a black marble?

(a)  

1. In a box, there are 6 red marbles and 2 white marbles. What is the probability of drawing a red marble?

(a)  

1. A jar contains 12 marbles, of which 7 are blue and the rest are green. What is the probability of selecting a green marble?

(a)  

1. If there are 15 marbles in a bag, and 4 of them are yellow while the rest are purple, what is the probability of picking a purple marble?

(a)  

1. In a container, there are 8 black marbles and 3 red marbles. What is the probability of choosing a black marble?

(a)  

1. A box contains 20 marbles, 6 of which are orange and the rest are brown. What is the probability of drawing a brown marble?

(a)  

1. If a bag holds 18 marbles, and 5 of them are pink while the remainder are gray, what is the probability of selecting a gray marble?

(a)  

1. In a jar, there are 9 white marbles and 4 blue marbles. What is the probability of picking a white marble?

(a)