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Statistical Analysis and Geometry Problem Solving Help

Get answers and solutions for statistical analysis and geometry problems. Find probabilities, standard deviations, angle measures, and more.

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Statistical Analysis and Geometry Problem Solving Help

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  1. Final Review

  2. Question 1 - 10 • The class average on a test is 90% with a standard deviation of 2.7. How many standard deviations from the mean is someone who scores an 86.3%?

  3. Answer 1 – 10 • 2 below the mean

  4. Question 1 - 20 • What is the z score for a person who scores a 92% on a test when the mean is 89% and the standard deviation is 2.5?

  5. Answer 1 – 20 • 1.2

  6. Question 1 - 30 • The scores on the Statistics test in a Math 3 class typically have a mean of 80 and a standard deviation of 8.5. What is the probability that a randomly selected student will have a score between 71.5 and 88.5?

  7. Answer 1 – 30 • 68%

  8. Question 1 - 40 • The scores on the Statistics test in a Math 3 class typically have a mean of 80 and a standard deviation of 8.5. What is the probability that a randomly selected student will have a score between 78 and 85?

  9. Answer 1 – 40 • 31.5%

  10. Question 1 - 50 • The lengths of Atlantic croaker fish are normally distributed, with a mean of 10 inches and a standard deviation of 2 inches. An Atlantic croaker fish is randomly selected. Find the probability that the length of the fish is less than 7 inches

  11. Answer 1 – 50 • 6.7%

  12. Question 2 - 10 True or False? Angle Two and Six are congruent angles

  13. Answer 2 – 10 • True

  14. Question 2 - 20 True or False? Angle Three and Five are congruent angles

  15. Answer 2 – 20 • False

  16. Question 2 - 30 Angle One has a measure of 120 degrees. Which other angles have the same measure?

  17. Answer 2 – 30 4, 5, and 8

  18. Question 2 - 40 True or False? Angle A and Angle D are complimentary angles

  19. Answer 2 – 40 • False

  20. Question 2 - 50 The measure of Angle A = 2x + 7. If Angle B is equal to 30 degrees, what is the measure of angle C?

  21. Answer 2 – 50 • 150

  22. Question 3 - 10

  23. Answer 3 – 10 • 1.36

  24. Question 3 - 20

  25. Answer 3 – 20 • 3

  26. Question 3 - 30

  27. Answer 3 – 30 • 0.66

  28. Question 3 - 40

  29. Answer 3 – 40 • 0.41

  30. Question 3 - 50

  31. Answer 3 – 50

  32. Question 4 - 10 What is x?

  33. Answer 4 – 10 80 degrees

  34. Question 4 - 20 What is the measure of arc AB?

  35. Answer 4 – 20 • 68

  36. Question 4 - 30

  37. Answer 4 – 30 • 46 degrees

  38. Question 4 - 40 Find y

  39. Answer 4 – 40 • 106 degrees

  40. Question 4 - 50

  41. Answer 4 – 50 • 9

  42. Question 5 - 10 • The directix of a parabola is located at y = 3 and the focus is located at (-4, 7). Find the vertex

  43. Answer 5 – 10 • (-4, 5)

  44. Question 5 - 20

  45. Answer 5 – 20

  46. Question 5 - 30

  47. Answer 5 – 30 • Yes

  48. Question 5 - 40 • What is the sine of a 480 degree angle? Give exact measurements.

  49. Answer 5 – 40

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