彩Arandom sample of 90 eighth grade students' scores on a national mathematics assessment test has a mean score of 276. This test result prompts a stateschool administrator to declare that the mean score for the state's eighth graders on this exam is more than 270. Assume that the population standard deviatiois 40. At a= 0.13, 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.DA. Ho p=270Hap>270 (claim)OB. Ho ps270 (claim)H3 p> 270OC Ho p2270 (claim)Ha p<270alYE. Ho s270DO. Ho p=270 (claim)Ha H> 270NOF Ho A<270H p2270 (claim)Ha>270 (claim)(b) Find the standardized test statistic z, and its corresponding area.Round to two decimal places as needed.)R..Insta...PDF2021dents.pdfDepEnter your answer in the answer box and then click Check Answer.Check Answer3 partsremainingClear AllRiley LAMA

Name: 彩Arandom sample of 90 eighth grade students' scores on a national mat
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Description: 彩Arandom sample of 90 eighth grade students' scores on a national mathematics assessment test has a mean score of 276. This test result prompts a stateschool administrator to declare that the mean score for the state's eighth graders on this exam is