A company has been accused of age discrimination in their hiring practices. The Fair Work Ombudsmen examines the practice of the company over the last two years and the observed hiring practice is shown in the table below. Is there any evidence of discrimination? Contribution to chi-squared Observed Not Hired Total Hired Not Hired (Expected) Hired Less than 79 1158 1237 0.359 0.023 40 (73.85) (1163.15) 5 165 At least 40 170 0.166 (10.15) Total 84 1323 1407 Use the output and your calculator to answer the following questions: 1. What is the expected value for candidates who were at least 40 and who were not hired? (2dp) 2. Is it valid to do a chi-squared test here. Y or N? 3. What is the contribution to chi-squared for candidates who were at least 40 who were hired? (3 dp) 4. What is the chi-squared test statistic? (3 dp) 5. Using Excel, determine the p-value: (3 dp) 6. Would you (A) reject or (B) not reject the hypothesis that hiring practice and age are independent? 7. Is there evidence of discrimination? Y or N