Question: A student was asked to find a 95% confidence interval for widget width using data from a random sample of size n = 29. Which

A student was asked to find a 95% confidence interval for widget width using data from a random sample of size n = 29. Which of the following is a correct interpretation of the interval 11.9 < < 25.2?

Check all that are correct.

  • With 95% confidence, the mean width of all widgets is between 11.9 and 25.2.
  • With 95% confidence, the mean width of a randomly selected widget will be between 11.9 and 25.2.
  • There is a 95% chance that the mean of a sample of 29 widgets will be between 11.9 and 25.2.
  • The mean width of all widgets is between 11.9 and 25.2, 95% of the time. We know this is true because the mean of our sample is between 11.9 and 25.2.
  • There is a 95% chance that the mean of the population is between 11.9 and 25.2.

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