Confidence level? Lower confidence limit

Prof. K. wants to estimate the average cost of a dozen eggs last week. To do this they gathered a sample of the costs of a dozen store brand eggs from 25 stores, The sample yielded a mean of $1.68 and a standard deviation of 0.25. Find the 95% confidence interval for the mean, interpret the confidence interval, and decide if the mean cost of a dozen eggs is $1.50. Which ti84 function is required to find the confidence interval? | Z-Interval What are the following values? n = 25 0.25 S = 1.68 Confidence level = [ Select ] Lower confidence limit = [ Select ] Upper confidence limit = [ Select ] Best point estimate [ Select ] Margin of Error = [ Select ]