1. CUMULATIVE TEST REVIEW Probability Statistics Chapter 7

2. PROBABILITY QUESTION ONE A spinner has twenty equal-size sections numbered from 1 to 20. If you spin the spinner, what is the probability that the number you spin will be a multiple of 2 or a multiple of 3? Are these events mutually exclusive, why or why not?

3. PROBABILITY QUESTION ONE No, the events can happen at the same time for example, 6 is a multiple of 2 and of 3.

4. PROBABILITY QUESTION TWO A spinner has twenty equal-size sections numbered from 1 to 20. If you spin the spinner, what is the probability that the number you spin will be an even number or 15? Are these events mutually exclusive, why or why not?

5. PROBABILITY QUESTION TWO Yes, the events can not happen at the same time.

6. PROBABILITY QUESTION THREE A bag contains 20 blue marbles, 40 purple marbles, 10 white marbles, 10 red marbles and 5 green marbles. You will pick one marble from the bag. What is the probability that the marble will be purple?

7. Probability Question Three

8. PROBABILITY QUESTION FOUR A bag contains 20 blue marbles, 40 purple marbles, 10 white marbles, 10 red marbles and 5 green marbles. You pick two marbles from the bag ( assume the first marble was not returned to the bag.) What is the probability of picking two blue marbles from the bag?

9. PROBABILITY QUESTION FOUR

10. PROBABILITY QUESTION FIVE There are 10 different bowlers on the bowling team. How many different ways can the first three places be determined?

11. PROBABILITY QUESTION FIVE

12. STATISTICS QUESTION ONE 12, 18, 22, 25, 27, 30, 31, 65 Find the mean, median, and quartile values of the data. Is the mean or the median the best representation of the data, explain.

13. STATISTICS QUESTION ONE The mean is 28.75. The median is 26. Quartile One is 20. Quartile Three is 30.5 The median is the best measure because it is not impacted by the outlier as much as the mean.

14. STATISTICS QUESTION TWO A set of data with a mean of 65 and a standard deviation of 2.6 is normally distributed. What is the value 2 standard deviations above the mean?

15. STATISTICS QUESTION TWO

16. CHAPTER 7 QUESTION ONE

18. CHAPTER 7 QUESTION TWO

20. CHAPTER 7 QUESTION THREE

22. CHAPTER 7 QUESTION FOUR

24. CHAPTER 7 QUESTION FIVE

26. CHAPTER 7 QUESTION SIX

28. CHAPTER 7 QUESTION SEVEN Graph State the domain and range

29. CHAPTER 7 QUESTION SEVEN Domain: All Reals Range: All Reals

30. CHAPTER 7 QUESTION EIGHT Given Describe the horizontal shift. Describe the vertical shift. What is the domain? What is the range?

31. CHAPTER 7 QUESTION EIGHT A)3 left B)1 down C)x ≥ -3 D)y ≥ -1

32. CHAPTER 7 QUESTION NINE f(x) = x + 4 and g(x) = 3x - 1 Find: f(x) + g(x)

33. CHAPTER 7 QUESTION NINE Domain: All Reals

34. CHAPTER 7 QUESTION TEN f(x) = x + 4 and g(x) = 3x – 1 Find:

35. CHAPTER 7 QUESTION TEN Domain:All reals except -4.

36. CHAPTER 7 QUESTION ELEVEN f(x) = x + 4 and g(x) = 3x – 1 Find:g(f(x))

37. CHAPTER 7 QUESTION ELEVEN

38. CHAPTER 7 QUESTION TWELVE Find the inverse of.

39. CHAPTER 7 QUESTION TWELVE