Question

There's a bag of 10 marbles. Three of them are red, five are blue, and two are green. What's the probability of randomly picking a green or blue marble out of the bag?
A. 0
B. 1/10
C. 1/2
D. 7/10

Answer 1

That answer would be D because 5+2 equals 7

Answer 2

There are 5 blue green marbles and 2 green marbles. Therefore, the probability would be 5 + 2 = 7/10 (D).