2. A jar of marbles contains 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles. A marble is chosen at random from the jar. After replacing it, a second marble is chosen. find the probability of picking a blue and then a red marble?

3. A coin and a die are tossed simultaneously. what is the probability that the coin will land on head and the die on less than 3?

4. A card is chosen at random, without replacing it, a second card is chosen. whast is the probability that the first card chosen is a queen and the second card is an jack?

5. Consider a box that contains 14 blue balls and 12 green balls, suppose that two balls are drawn one after the other without putting back the first ball. find the probability that both balls are green?

6. A class is composed of 10 boys and 15 girls. If two presenter to a poem recital are to be chosen in succession, what is the probability that the first is a boy and the second is a girl?

7. A box contains 9 pieces of numbered balls. if three pieces are taken from the box one at a time without replacement, find the probability that they alternately taken:

A. Odd, Even, Odd

8. Camille has 55 red chips, 12 yellow chips and 20 white chips. what is the probability that Camille randomly selects a red chips or a white chip?

9. A box contains 8 white balls, 10 red balls and 6 blue balls. What is the probability of drawing a white ball and red ball?

10. Precious likes to wear colored shirts, she has 20 shirts in the closet in the closet. 8 of these are blue, 6 are red and the rest are in differ colors. what is the probability that she will wear a blue or a red shirt.

11. Out of 5200 households surveyed, 2107 had a dog, 807 had a cat, and 303 had both a dog and a cat. What is the probability that randomly selected household has a dog or a cat?

12. A rental agency has 6 yellow cars, 20 white cats, 10 red cars and 4 given cars for rent. Steve rents a car, returns it because the wind shield is broken, and gets another car. What is the probability that Steve is given a white car then a red car?

13. A bottle contains 18 pink bags and 28 green bags. If two bags are picked at random one after the other with replacement what is the probability that the first bag is pink and then green?

14. A bag contains 25 beads. 15 are violet and 10 are orange. one bead is drawn, not replaced, and then second bead is drawn. what is the probability of drawing a violet and then a orange?

15. The extracurricular activities in which the senior class SPC Science Integrated High School participate are shown in the Venn diagram.

How many students participate in athletics?

16. If a student is randomly chosen, what is the probability that the student participates in athletics or drama?

17. If a students is randomly chosen, what is the probability that the students participate only in drama and band?

18. How many students participate in drama and band?

19. How many students who did not participate in the extracurricular activities?

20. How many students are in the senior class?