student was asked to find a 98% confidence interval for widget width using data from a random sample of size n = 15. Which of the following is a correct interpretation of the interval 11.5 < μ < 28.9? Check all that are correct. With 98% confidence, the mean width of all widgets is between 11.5 and 28.9. With 98% confidence, the mean width of a randomly selected widget will be between 11.5 and 28.9. 98% of all the widgets have a width between 11.5 and 28.9. There is a 98% chance that the mean of a sample of 15 widgets will be between 11.5 and 28.9.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A student was asked to find a 98% confidence interval for widget width using data from a random sample of size n = 15. Which of the following is a correct interpretation of the interval 11.5 < μ < 28.9?

Check all that are correct.

  • With 98% confidence, the mean width of all widgets is between 11.5 and 28.9.
  • With 98% confidence, the mean width of a randomly selected widget will be between 11.5 and 28.9.
  • 98% of all the widgets have a width between 11.5 and 28.9.
  • There is a 98% chance that the mean of a sample of 15 widgets will be between 11.5 and 28.9.
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