Exercises 5-8 refer to a bag filled with 3 yellow balls, 4 green balls, 2 blue balls, and 1 orange ball.
S.What is the probability of picking a red ball out of the bag?
6. What is the probability of picking a blue or yellow ball?
7. What is the probability of picking an orange ball?
8.What is the probability of picking a green ball?
9. What is the probability of picking a green or orange ball?