Question

you randomly draw a marble from a bag of marbles that contains 7 bless marbles, 2 green marbles,and 1 red marble. What is the theoretical probability of not drawing a green marble?

Answer 1

The theoretical probability of not drawing a green marble is

8 ( Marbles which are not green) / 10 (Total number of marbles)

The answer is 8/10 or 4/5 after simplifying.