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HP 33S User Manual

Scientific calculators
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Enlarged version
hp calculators
HP 33S Normal distribution applications
The normal distribution
Entering the normal distribution program
Practice solving problems involving
the normal distribution

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Summary of Contents for HP 33S

  • Page 1 HP 33S Normal distribution applications The normal distribution Entering the normal distribution program Practice solving problems involving the normal distribution...
  • Page 2 After each label's section in the program listing below, the checksum and length are displayed in parentheses to the right of the page. These should match what you see on your HP 33S if you have entered the program correctly. To see each checksum once you have completely entered the program below, while still in program mode, press ¹uÕ...
  • Page 3 HP 33S Normal distribution applications Practice solving problems involving the normal distribution Example 1: Find Q(x) for a Z value of +1. Make sure the HP 33S is in RPN mode. Solution: With the input value given as a Z-score, we're dealing with the standardized normal distribution having a mean of 0 and a standard deviation of 1.
  • Page 4 This is a normal distribution problem where the input is not standardized. Press ¹ä to enter RPN mode. Then execute label S and enter the mean and standard deviation. In RPN mode: tS15¥4¥ hp calculators - 4 - HP 33S Normal distribution applications - Version 1.0...
  • Page 5 The person being considered is nearly in the top 10%. Example 4: Find x given a Q(x) of 0.65. Assume a standardized normal distribution. Make sure the HP 33S is in RPN mode.
  • Page 6 We will need to add 0.6745 standard deviations to the average and also subtract 0.6745 standard deviations from the average. In RPN mode: 0Ë6745Ï4¸15Ù Figure 17 hp calculators - 6 - HP 33S Normal distribution applications - Version 1.0...
  • Page 7 HP 33S Normal distribution applications In RPN mode: 0Ë6745zÏ4¸15Ù Figure 18 Answer: The middle 50% of the adjusters would average processing between 12.3020 and 17.6980 claims per hour. hp calculators - 7 - HP 33S Normal distribution applications - Version 1.0...