1. Tony stark is trying to talk pepper Potts into attending an event with him. Pepper does not want to attend because she feels that she and will be much older than most of the younger crowd attending the event. Tony claims that the average age of the event participants will be 40, but captain America(who is a bit more honestly than Tony) claims that the average age of the event participants will be closer to 30.Explain in your own words how they can be both right. Explain in your own words how can an average be both 30 and 40 at the same time?

17. Determine the area under the normal curve to the right of z =-1.75. Give the answer as a percent rounded to the nearest hundredth of a percent

18. Determine the area under the normal curve between z= -1.75 and z =-0.54. Give the answer as a percent rounded to the nearest hundredth of a percent

22. Identify the sampling technique used to obtain a sample. The Health department randomly selects four stores from each of seven randomly selected sections of the state and checks for cleanliness. These stores are used as a representative sample og the entire state.

24. Identify the sampling technique used to obtain a sample. Joshua is collecting surveys for a quantitative reasoning class "Statistics Project" and waits outside the movie theater to ask every 10th person what their favorite movie snack is

9. A mean average of 60 on seven exams is needed to pass a course. A students earned the following scores on the first 6 exams

51

72

80

62

57

69

What grade must the student receive on the seventh exam to pass the course?

12. The age of random sample of 40 people who attended a show at the fox. Theater are given below. Find the first, second, and third Quartile

20	26	31	34	39	45	50	62
20	29	31	35	40	47	51	63
23	30	32	35	40	49	51	66
23	30	33	37	40	49	54	69
26	30	34	38	42	49	57	72