PROBABILITY

For 8-10. A box contains 2 defective parts and 5 non-defective ones. You randomly select a part (without replacement) until you get a non-defective part, What is the probability that the number of parts selected is 8. one? 9. two? 10. three? For 11-12 Three cards are randomly drawn without replacement for a standard deck. 11. What is the probability of drawing an 12. What is the probability of drawing an ace on the third draw? ace on the third draw given that at least one ace was drawn on the first 2 draws? For 13-15