A random sample of 88 eighth grade students'scores on a national mathematics assessment test has a mean scoreof 284. This test result prompts a state schooladministrator to declare that the mean score for the state'seighth graders on this test is more than 275. Assumethat the population standard deviationis 33. At α=0.12, is there enough evidence tosupport the administrator's claim? Complete parts (a)through (e).
z= ____
P-value= ____
Decide whether to reject or fail to reject the nullhypothesis
A. Reject H0
B. Fail to reject H0
A random sample of 88 eighth grade students' scores on a national mathematics assessment test has a mean score of 284.
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A random sample of 88 eighth grade students' scores on a national mathematics assessment test has a mean score of 284.
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