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TI84 Normal Distribution Practice

TI84 Normal Distribution Practice
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2017-12-03 23:34
FunctionIntegralProbability & Statistics
In collections Probability & Intro. to Stat. Math Year 4 Unit Probability & Statistics
This example demonstrates how to use a TI84 calculator to calculate normal distribution probabilities. Key mathematical concepts include normal distribution, standard deviation, and random numbers. Using GeoGebra commands such as Random, Normal, and Integral, an interactive practice interface is constructed. Suitable for high school math education and students learning about normal distribution.

GeoGebra Commands & Parameters

  1. Random(-300, 300) → xbar
  2. Normal(0, 1, x) → f
  3. Integral(f, zUp, 6) → a
  4. Integral(f, -6, zDwn) → b
  5. Integral(f, zDwn, zUp) → c
  6. LaTeX(xbar) → text2
  7. LaTeX(two) → text4
  8. LaTeX(three) → text5
  9. LaTeX(none) → text6
  10. LaTeX(ntwo) → text7
  11. LaTeX(nthree) → text8
  12. LaTeX(one) → text9
  13. Text(xbar) → text3
  14. Text("Mean or xBar") → text10
  15. Text(stdev) → text11
  16. Text("Standard Deviation") → text12
  17. Text(xl) → text13
  18. Text("Lower x") → text14
  19. Text(xh) → text15
  20. Text("Upper x") → text16
  21. Text(score) → text17
  22. Text("Score") → text18
  23. Text(try) → text19
  24. Text("Attempts") → text20
  25. Text(pxbar) → text21
  26. Text("Previous") → text22
  27. Text("Mean") → text23
  28. Text(pstdev) → text24
  29. Text("SDev") → text25
  30. Text(pxl) → text26
  31. Text("Lower") → text27
  32. Text(pxh) → text28
  33. Text("Upper") → text29

AI Drawing Prompt Reference

Draw a standard normal distribution curve with x-axis ranging from -3 to 3. Calculate and display the area under the curve between -1 and 1, and between -2 and 2. Below the graph, show the randomly generated xBar value and standard deviation stdev, as well as the user-input lower and upper limits xl and xh.
The prompt above was compiled from the original drawing commands and is for reference only.