Use technology to help you test the claim about the population mean, , at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: 1210; a=0.07; = 209.41. Sample statistics: x = 1238.69, n = 275 Identify the null and alternative hypotheses. Choose the correct answer below. OA. Ho: H1238.69 H: 1238.69 E. Ho: H1210 : >1210 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.) B. Ho: >1210 Ha: 1210 D. Ho: > 1238.69 Ha 1238.69 F. Ho: 1210 Ha: