A recent management approach is to have employees become actual partners of the business. ABC Steel Company is interested in seeing whether this appraoch did in fact reduce the average number of sick day per year from 7.2. A sample of 20 employees of this company used an average of 7.0 sick days the first year after the partner approach was implemented. National personnel data indicate that the population standard deviation is 1.25 days. Is there enough evidence to conclude that the partnering approach did decrease the average number of sick days? Use level of significance of 6%. Answer the following 5 questions: (Round your answers to 4 decimal places) Note: Use the steps of hypothesis testing to answer the questions. a) What test would you use to test the hypothesis? b) Compute the test statistic c) Compute the p-value d) Compute the critical value(s) e) What is the statistical decision