单选题A bag contains three green marbles, four blue marbles, and two orange marbles. If a marble is picked at random, what is the probability that an orange marble will NOT be picked?A 1/4B 1/3C 4/11D 1/2E 9/7
题目
单选题
A bag contains three green marbles, four blue marbles, and two orange marbles. If a marble is picked at random, what is the probability that an orange marble will NOT be picked?
A
1/4
B
1/3
C
4/11
D
1/2
E
9/7