1. Warm Up There are 30 marbles in a bag. 10 are blue, 7 are red, 6 are yellow, and 7 are purple. 1)What is the probability of getting a red marble? 2)What is the probability of getting a yellow or a blue? 3)What is the probability of getting an orange?

2. Probability Thursday, December 12 th, 2013

3. Vocabulary to know… Sample Space Union Intersection Complement Experiment Outcome Event Survey Theoretical Probability Experimental Probability

5. THEORETICAL PROBABILITY

6. Example

7. Complement If the probability of you getting an A in this class is 78%, what is the probability that you do not get an A?

8. Example

9. Odds

10. Experimental Probability

11. Example

13. Lesson Check

15. The difference between…. AND When you are asked to find the probability of Event 1 AND Event 2 happening, they both must occur. This is called the INTERSECTION of two sets. Operation: Multiplication OR When you are asked to find the probability of Event 1 OR Event 2 happening only one, or both could occur. This is called the UNION of two sets. Operation: Addition Notation: P ∩ Q Notation: P U Q

16. The difference between…. ANDOR Notation: P ∩ Q Notation: P U Q

17. Example List the sample space for rolling a dice What about rolling two die? What is the probability of rolling an even number on the first AND a 2 on the second? What is the probability of rolling an even number on the first OR a 2 on the second?

18. Complete the half sheet with your partner. You have 7 minutes!

19. Solutions

22. NC COMMON EXAM ?

23. Frequency

24. Example What is the probability of someone having 10-13 home runs? What is the probability of someone having 2-9 home runs?

25. Activity Choose a question to ask at least 15 of your classmates. You must have at least 3 choices Make a Frequency Table Example: Do you prefer chocolate, vanilla, or strawberry ice cream? Ice CreamFrequency Chocolate7 Vanilla6 Strawberry2

26. Activity Now create two questions to go along with your table following the guidelines below: 1)What is the probability of _____? 2)What is the probability of ______ or ______? Ask your partner to answer the questions using your table! Ice CreamFrequency Chocolate7 Vanilla6 Strawberry2

27. Homework Worksheet

28. Warm Up 300 students were asked to try a new pizza flavor. 76 liked Buffalo Chicken, 167 liked Cheeseburger, and the rest liked neither. What is the probability the student does NOT like Cheeseburger? A student picks two socks from a basket of 12 socks. There are 3 red, 2 blue, 5 yellow, and 2 green.  Find the probability the student picks a yellow AND a green without replacing the first.  Find the probability the student picks a yellow OR a blue without replacing the first.

29. FREQUENCY & DISTRIBUTIONS December 13 th, 2013

30. Introduction w/ Venn Diagrams

31. 2 Way Frequency Table

33. Example

34. Relative Frequency

37. You try!

38. NC Common Exam

39. Activity-Quiz GRADE! In groups of three come up with two topics for a two way table. Have one person doing the following jobs. 1: Surveyor: this person walks around and asks the 2 students sitting their questions. 2: Poster: this person designs the poster and sets up the table and categories 3: Questioner: Comes up with 5 questions for another group to answer about their table

40. Worksheet Practice your Frequency skills!

41. Homework Worksheet