A company selling licenses for new e-commerce computer software advertises that firms using this software obtain, on average during the first year, a yield of 9% on their initial investments. A random sample of 10 of these franchises produced the yields shown below for the first year of operation. 6.6 11.4 8.6 12.2 4.3 8.1 10.1 9.8 8.9 9.3 Assuming that population yields are normally distributed, test the company's claim at the 1% significance level. Click the icon to view the upper critical values of the Student's t distribution. What are the null and alternative hypotheses for this test? A. Ho: #9 H =9 OC. H: 9 OB. H: 59 H: >9 OD. H: 9 H: