Question:
(a) Construct a 95% confidence interval for the mean
Last updated: 7/15/2022
![(a) Construct a 95% confidence interval for the mean](https://media.kunduz.com/media/sug-question/raw/59332394-1657880027.436073.jpeg?h=512)
(a) Construct a 95% confidence interval for the mean lifetime of this type of drill. Use tables or technology. Round your answers to at least two decimal places. The confidence interval is