Choosing a Confidence Level
A local bakery wants to estimate the average number of customers visiting daily. They survey a sample of 50 days and calculate a confidence interval for the mean daily customer count. If they choose a 99% confidence level instead of a 95% confidence level, what will happen to the confidence interval?
- A) The interval will become narrower.
- B) The interval will become wider.
- C) The interval will stay the same.
- D) It depends on the sample size.
