According to a travelwebsite, workers in a certain country lead the world in vacationdays, averaging 22.56 days per year. The following data show the number of paid vacation days for a random sample of 20 workers from this country. Complete parts a through c below.

3

3

5

6

17

23

15

27

24

32

21

30

30

23

25

26

34

28

37

62

a.

Construct a 99% confidence interval to estimate the average number of paid vacation days for workers from this country.

The 99% confidence interval to estimate the average number of paid vacation days for workers from this country is from

nothing

days to

nothing

days.

(Round to two decimal places asneeded.)