In a random sample of 12 people, the mean commute time to work was 30 minutes and the sample standard deviation was 7 minutes. Assume the population is normally distributed. Use the t-distribution to...

In a random sample of 12 people, the mean commute time to work was 30 minutes and the
sample standard deviation was 7 minutes. Assume the population is normally distributed. Use the
t-distribution to construct a 95% confidence interval for the population mean and Interpret.