A random sample of 82 eighth grade students scores on a national mathematics assessment test has a mean score of 282 This test result prompts a state school administrator to declare that the mean score for the state s eighth graders on this exam is more than 275 Assume that the population standard deviation is 31 At a 0 05 is there enough evidence to support the administrator s claim Complete parts a through e a Write the claim mathematically and identify Ho and H Choose the correct answer below O A Ho H 275 Ha 275 claim O D Ho 275 Ha 275 claim OB Ho 2275 claim Ha 275 O E Ho H 275 Ha H 275 claim OC Ho H 275 claim Ha H 275 OF Ho 275 claim H 275