IV Read, analyze and answer the questions that follows after the problem. A box contains 5 green pens, 3 blue pens, 8 black pens, and 4 red pens. A pen is picked at random 16. What is the probability that you can picked green pen? 17. What is the probability that you can picked blue pen? 18 What is the probability that you can picked black pen? 19. What is the probability that you can picked red pen? 20. What is the probability that you can picked orange pen?