Question: Following problem 10, the HR manager claims that the company’s average missing days of work this year is less than the national average 8 days per year. Test the HR’s claim at 0.05 level of significance.

a) What are the hypotheses?

b) What is the value of the test statistic?

c) What is the rejection region?

d) What is the p-value?

e) What is the decision?

f) What is interpretation of the conclusion?