Let's assume the commuting time by IUPUI students to the campus is normally distributed. A random sample of 6 students provided the following six observations (in minutes).

x

10

12

14

23

39

22

The lower and upper bounds of a 95% confidence interval for the population mean commuting time are _____ minutes and _____ minutes.

Group of answer choices

11.4 28.6

11.0; 33.4

10.2; 32.6

8.8; 31.2