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1. Third quarter Oral recitation Mathematics

2. 1. What do you call to the number of ways of selecting from a set where the order is not important? Answer: COMBINATION

3. 2. Which of the following is an example of an event? Tossing a coin three times Choosing a month in a year Landing on a two dots-faced side of a die Rolling two dice at the same time Answer: Landing on a two dots-faced side of a die

4. 3. The probability of all the events in a sample space adds up to Answer: 1

5. 4. Permutation or Combination? a. selecting fruits to make a salad Answer: Combination

6. 5. Two events such that each event affects the occurrence of the other are called _______________? Answer: Dependent Events

7. 6. If a coin is tossed once, what is the probability that the coin shows either head or tail? Answer: ½ + ½ = 1

8. 7. A spinner is divided into 6 congruent parts. If it is spun once, find the probability of spinning a 5 or a number less than 4. Answer: 1/6 + 3/6 = 4/6 or 2/3

9. 8. The probability which is based on the observations of an experiment is called Answer: Experimental Probability

10. 9. If there is 75% chance that will rain today, what is the chance that it will not rain today? Answer: 1 – P(A) 1 - 0.75 = 0.25 Complement of P(A)

11. 10. If there is 40% chance that Jericho will buy a tablet, 70% chance that he will buy a cellphone, and 28% chance that he will buy a tablet and a cellphone, what is the probability that he will buy a tablet or a cellphone? Answer: 40% + 70% - 28% = 82%

12. 11. A basket of fruits contains 3 oranges, 5 apples, 6 guavas and 2 bananas. Claire randomly chooses a fruit, eats it, and then randomly chooses another fruit. What is the probability that Claire chose an apple, and then, a guava? Answer: 5/16*6/15 = 1/8

13. 12. The probability that an event will occur given that another event has already occurred is called Answer: Conditional Probability

14. 14. All the following events are not mutually exclusive events EXCEPT: A. Drawing an ace or a king in a standard deck of cards B. Drawing a queen or a club in a standard deck of cards C. Getting a 6 or an even number in rolling a six-sided die D. Getting a prime number or an even number in rolling a six-sided die Answer: A

15. 15. In how many ways can six people be seated in a round table? Answer: (6-1)! = 120 ways

16. 16. Perla plans to visit her grandmother next week. If she chooses a day of the week at random, what is the probability that she will choose Monday or Thursday? Answer: 1/7 + 1/7 = 2/7

17. 17. State the formula for Combination. Answer:  

18. 18. State the formula for Permutation. Answer:  

19. 19. Calculate P(6, 3). Answer: 6*5*4 = 120

20. 20. What do you call on a set whose element represents all the possible outcome on an event? Answer: Sample space

21. 21. How many elements are in the sample space of rolling a single die? Answer: 6

22. 22. Find the probability of picking a King and a Queen? Answer: 0%

23. 23. Find P(H U E) Answer: 18 + 27 + 33 =78/90 = 13/15

24. 24. Find P(H E)   Answer:27/90 = 3/10

25. 25. How many are not included in the any set? Answer: 12

26. 26. What is the probability of picking a male? Answer: 49% % % % % 60 % 50 % 49 % 58 %

27. 27. What is the probability that the student is on Singing? Answer: 50% % % % % 60 % 50 % 49 % 58 %

28. 28. What is the probability that the student is a female? Answer: 58% % % % % 60 % 50 % 49 % 58 %

29. 29. If A = {2, 4, 6, 8, 10, 12, 14, 16} and B = {3, 6, 9, 12, 15}, find n(A ∪ B). Answer: 11

30. 30. There are 22 apples and 24 oranges in a basket. If a fruit is picked at random, what is the probability of picking an apple? Answer: 11/23

31. 31-35 Identify if it is Permutation, Combination

32. 31. Matching dresses and shoes for a party attire.

33. 33. Entering PIN of an ATM card

34. 33. Making a seating arrangement.

35. 34. Selecting a first play winner and a second place winner

36. 35. Selecting 5 player member of a basketball team

37. 36-40 Identify if it is Dependent or Independent

38. 36. Rolling a die, then flipping a coin

39. 37. Graduate College, then getting a good job.

40. 38. Eating a candy in a bag one at a time.

41. 39. Guessing a card first, then return it then guess another card.

42. 40. Sally is hungry, then she buys food