sample grade score 0 This fest resut prompl state Schoo administrator to declare that the mean score for the state's eighh graders on this exam is more than 260 Assume that the population standard deviation is 37. At 0.13, is there enough evidence to support the administrator's claim? Complete parts (a) through (e)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Arandom sample of 77 eighth grade students scores on a national mathematics assessment test has a mean score of 266. 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 260. Assume that the population standard deviation is 37. 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 Hg and H,. Choose the correct answer below.
OB. Hg u< 260
OA. Họ: ps 260 (claim)
H, u> 260
D. Họ: us 260
H, > 260 (claim)
O. H: u= 260 (claim)
H, u> 260
OF. H: pa 260 (claim)
H, p<260
H, pa 260 (claim)
OE. Hg p= 260
H, > 260 (claim)
(b) Find the standardized test statistic z, and ts corresponding area
2= 1.42 (Round to two decimal places as needed)
(c) Find the P-value.
Pvalue =D(Round to three decimal places as needed.)
Transcribed Image Text:Arandom sample of 77 eighth grade students scores on a national mathematics assessment test has a mean score of 266. 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 260. Assume that the population standard deviation is 37. 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 Hg and H,. Choose the correct answer below. OB. Hg u< 260 OA. Họ: ps 260 (claim) H, u> 260 D. Họ: us 260 H, > 260 (claim) O. H: u= 260 (claim) H, u> 260 OF. H: pa 260 (claim) H, p<260 H, pa 260 (claim) OE. Hg p= 260 H, > 260 (claim) (b) Find the standardized test statistic z, and ts corresponding area 2= 1.42 (Round to two decimal places as needed) (c) Find the P-value. Pvalue =D(Round to three decimal places as needed.)
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