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AP Stats Chapter 6 Review

AP Stats Chapter 6 Review. Q1: If individual outcomes are uncertain, but there is nonetheless a regular distribution of outcomes in a large number of repetitions, the outcomes are…. Random. Normal. Skewed. Right!. Go to Q2. Oh crumb. Incorrect . Back. Q2: What is probability?.

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AP Stats Chapter 6 Review

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  1. AP StatsChapter 6 Review

  2. Q1: If individual outcomes are uncertain, but there is nonetheless a regular distribution of outcomes in a large number of repetitions, the outcomes are… Random Normal Skewed

  3. Right! Go to Q2

  4. Oh crumb. Incorrect. Back

  5. Q2: What is probability? the number of times you prove a null hypothesis wrong the proportion of times the outcome would occur in a very long series of repetitions the number of times something will occur in a given number of observations

  6. Right! Go to Q3

  7. Oh crumb. Incorrect. Back

  8. Q3: If the outcome of one trial influences the outcome of another trial, they are… influential not independent independent

  9. Right! Go to Q4

  10. Oh crumb. Incorrect. Back

  11. Q4: Which of the following is a correct example of the sample space? S={1,2,3,4} {S1, S2, S3, S4} {1S}, {2S}, {3S}, {4S}

  12. Right! Go to Q5

  13. Oh crumb. Incorrect. Back

  14. Q5: If you can do one thing in 5 ways and another in 4, what is the number of ways you can do both? 1 625 20

  15. Right! Go to Q6

  16. Oh crumb. Incorrect. Back

  17. Q6: Sampling with replacement would result in… each outcome having an equal probability for each draw each outcome having a different probability for each draw a botched sample

  18. Right! Go to Q7

  19. Oh crumb. Incorrect. Back

  20. Q7: The probability of any one event must be… between -1 and 1 between 0 and 1 between 0 and 100

  21. Right! Go to Q8

  22. Oh crumb. Incorrect. Back

  23. Q8: All possible outcomes of a certain event must add together to a probability of… 100 1 10

  24. Right! Go to Q9

  25. Oh crumb. Incorrect. Back

  26. Q9: The probability that an event does not occur is 1 minus the probability that it does. What is this called? the complement the supplement the margin

  27. Right! Go to Q10

  28. Oh crumb. Incorrect. Back

  29. Q10: Two events are disjoint if… they must happen at the same time they can’t both happen they both always happen

  30. Right! Go to Q11

  31. Oh crumb. Incorrect. Back

  32. Q11: If an event has no outcomes in it and it is signified by  then it is… a constant an empty event a disjoint event

  33. Right! Go to Q12

  34. Oh crumb. Incorrect. Back

  35. Q12: A U B can also be described as… A union B = A and B A intersect B = A or B A union B = A or B

  36. Right! Go to Q13

  37. Oh crumb. Incorrect. Back

  38. Q13: A  B can also be described as… A intersect B = A and B A union B = A and B A intersect B = A or B

  39. Right! End!

  40. Oh crumb. Incorrect. Back

  41. Other things to know… Event- any outcome or set of outcomes of a random phenomenon Probability Model- a mathematical description of a random phenomenon consisting of two parts: a sample space S and a way of assigning probabilities to events Sampling without Replacement- after selecting an observation out of a sample, not putting it back in the sample before redrawing If two events have no outcomes in common, the probability that one of the other occurs is the sum of their individual probabilities. Joint Probability- if two events, A and B, are disjoint (mutually exclusive) then they have no outcomes in common and never occur simultaneously Conditional Probability- the probability of one event under the condition that we know another event…P (BA)

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