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

14.77

14.77 days to

32.33

32.33 days.

(Round to two decimal places asneeded.)

b.

Do the results from this sample validate thewebsite's findings?

A.

Since the populationmean, 22.56, is contained within the 99% confidenceinterval, it can be said with 99% confidence that the sample validates thewebsite's findings.

B.

Since the populationmean, 22.56, is not contained within the 99% confidenceinterval, it can be said with 99% confidence that the sample does not validate thewebsite's findings.

C.

Since the populationmean, 22.56, is contained within the 99% confidenceinterval, it can be said with 99% confidence that the sample does not validate thewebsite's findings.

D.

Since the populationmean, 22.56, is not contained within the 99% confidenceinterval, it can be said with 99% confidence that the sample validates thewebsite's findings.