This is a two part answer =)

I will show you below how it's supposed to be answered

1.) In a random sample of seven people, the mean driving distance to work was 21.3 miles and the standard deviation was 6.1 miles. Assume the population is normally distributed and use thet-distribution to find the margin of error and construct a 99% confidence interval for the population mean . Interpret the results.

Identify the margin of error.

____?____ The answer goes here and then after the number one of the following goes after it. Please select one below.

square miles

miles

square miles

OR

miles per hour

(Round to one decimal place asneeded.)