Question

A bag contains 6 red marbles, 4 blue marbles, and 1 green marble. What is the probability that a randomly selected marble is not blue?

a) 4/11
b) 11/7
c) 7/11
d) 7

Answer 1

c, 7/11

Explanation:

there are 11 marbles total. 7 aren't blue. so p(not blue) = 7/11. Answer C.