练习答案:模块29

可能性

  1. \ frac {6} {36} = \ frac {1} {6}
  2. \ frac {2} {36} = \ frac {1} {18}
  3. \ frac {8} {36} = \ frac {2} {9}
  4. \ frac {36} {36} = 1
  5. \ frac {0} {36} = 0
  6. \ frac {4} {36} = \ frac {1} {9}
  7. \ frac {32} {36} = \ frac {8} {9}
  8. \ frac {6} {36} = \ frac {1} {6}
  9. \ frac {30} {36} = \ frac {5} {6}
  10. \ frac {15} {60} = \ frac {1} {4}
  11. \ frac {27} {60} = \ frac {9} {20}
  12. \ FRAC {42} {60} = \ FRAC {7} {10}
  13. \ frac {1} {4} = 25 \%
  14. \ frac {3} {4} = 75 \%
  15. \ frac {2} {4} = 50 \%
  16. \ frac {2} {4} = 50 \%
  17. \ frac {8} {250} = 3.2 \%
  18. \ FRAC {242} {250} = 96.8 \%
  19. 我们应该期待968副本可以接受
  20. \ FRAC {44} {200} = 22 \%
  21. 我们应该期待220.纳税申报表有错误
  22. 22 \%= 0.22
  23. (0.22)^ 2 \大约4.8 \%
  24. (0.22)^ 3 \左右1 \%
  25. 0.22 \ CDOT0.78 \约17.2 \%
  26. 0.78 \ CDOT0.22 \约17.2 \%
  27. (0.78)^ 2 \约60.8 \%
  28. (0.78)^ 3 \约47.5 \%
  29. 1-(0.78)^ 3 \约52.5 \%

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