Z and P Value

Score: 0.5 01 1 pl 15 of 25 (23 complete) HW Score: 75 57%, 18.89 of 25 pts x 7.2.31-T Question Help A random sample of 79 eighth grade students' scores on a national mathematics assessment test has a mean score of 274. 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 270. Assume that the population standard deviation is 32 At a =0.07, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify Ho and Ha Choose the correct answer below. &A. Ho US270 O B. Ho: H=270 O C. Ho H= 270 (claim) Ha > 270 (claim) Ha [ > 270 (claim) Ha H> 270 O D. Ho HIS 270 (claim) OE Ho HC270 OF. Ho H 2 270 (claim) Ha [> 270 Ha H2 270 (claim) Ha H