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Mathematics, 03.08.2021 22:40 AariyahFennell

A random sample of 80 eighth grade students' scores on a national mathematics assessment test has a mean score of 288. 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 285. Assume that the population standard deviation is 33. At a=0.08, is there enough evidence to support the administrator's claim? Complete parts (a) through (e)

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