A student was asked to find a 99% confidence interval for widget width using data from a random sample of size n = 27. Which of the following is a correct interpretation of the interval 12.1 < μ < 25.3? Check all that are correct. With 99% confidence, the mean width of a randomly selected widget will be between 12.1 and 25.3. There is a 99% chance that the mean of the population is between 12.1 and 25.3. With 99% confidence, the mean width of all widgets is between 12.1 and 25.3. There is a 99% chance that the mean of a sample of 27 widgets will be between 12.1 and 25.3. The mean width of all widgets is between 12.1 and 25.3, 99% of the time. We know this is true because the mean of our sample is between 12.1 and 25.3.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A student was asked to find a 99% confidence interval for widget width using data from a random sample of size n = 27. Which of the following is a correct interpretation of the interval 12.1 < μ < 25.3?

Check all that are correct.

  • With 99% confidence, the mean width of a randomly selected widget will be between 12.1 and 25.3.
  • There is a 99% chance that the mean of the population is between 12.1 and 25.3.
  • With 99% confidence, the mean width of all widgets is between 12.1 and 25.3.
  • There is a 99% chance that the mean of a sample of 27 widgets will be between 12.1 and 25.3.
  • The mean width of all widgets is between 12.1 and 25.3, 99% of the time. We know this is true because the mean of our sample is between 12.1 and 25.3.
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