Question

a bag contains 7 red marbles, 4 blue marbles, and 1 green marble. what is the probability of choosing a marble that is not blue

Answer 1

approx. 67% chance

Explanation:

7+4+1=12

4(blue)/12(total)= 0.33333 etc.

33% of blue, so approx. 67% of choosing one that is not blue.