In a random sample of 28 people, the mean commute time to work was 34.9 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to...

In a random sample of

minutes and the standard deviation was

minutes. Assume the population is normally distributed and use a  t-distribution to construct a

What is the margin of error of μ ?

Interpret the results.