Question

You are interested in finding a 95% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute miles for 11 randomly selected non-residential college students.

28

13

27

7

19

16

22

13

6

7

16

If many groups of 11 randomly selected non-residential college students are surveyed, then a different confidence interval would be produced from each group. About ____ percent of these confidence intervals will contain the true population mean number of commute miles and about ____ percent will not contain the true population mean number of commute miles.

Answer 1