Testing Claims Using P-values In Exercises 33-38, a) write the claim mathematically and identify H, and H b) find the standardized test statistic z and its corresponding area. If convenient, use technology. c) find the P-value. If convenient, use technology. d) decide whether to reject or fail to reject the null hypothesis. e) interpret the decision in the context of the original claim. 3. Mathematics Assessment Tests In Illinois, a random sample of 85 eighth grade students has a mean score of 282 with a standard deviation of 35 on a national mathematics assessment test. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on the examination is more than 275. At a = support the administrator's claim? (Adapted from National Center for Education Statistics) 0.04, is there enough evidence to

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Testing Claims Using P-values In Exercises 33–38,
(a) write the claim mathematically and identify H, and H
(b) find the standardized test stalistic z and its corresponding area. If convenient,
use technology.
(c) find the P-value. If convenient, use technology.
(d) decide whether to reject or fail to reject the null hypothesis.
(e) interpret the decision in the context of the original claim.
33. Mathematics Assessment Tests In Illinois, a random sample of 85 eighth
grade students has a mean score of 282 with a standard deviation of 35 on a
national mathematics assessment test. This test result prompts a state school
administrator to declare that the mean score for the state's eighth graders on
the examination is more than 275. At a =
support the administrator's claim? (Adapted from National Center for Education
Stattstics).
0.04, is there enough evidence to
34. Sprinkler System A manufacturer of sprinkler systems designed for fire
Transcribed Image Text:Testing Claims Using P-values In Exercises 33–38, (a) write the claim mathematically and identify H, and H (b) find the standardized test stalistic z and its corresponding area. If convenient, use technology. (c) find the P-value. If convenient, use technology. (d) decide whether to reject or fail to reject the null hypothesis. (e) interpret the decision in the context of the original claim. 33. Mathematics Assessment Tests In Illinois, a random sample of 85 eighth grade students has a mean score of 282 with a standard deviation of 35 on a national mathematics assessment test. This test result prompts a state school administrator to declare that the mean score for the state's eighth graders on the examination is more than 275. At a = support the administrator's claim? (Adapted from National Center for Education Stattstics). 0.04, is there enough evidence to 34. Sprinkler System A manufacturer of sprinkler systems designed for fire
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