MTH2 5M AM Quiz: Q7 6 of 2012 compl This Question 1 pt This Quiz: 20 pts possibl

Question

MTH2 5M AM Quiz: Q7 6 of 2012 compl This Question 1 pt This Quiz: 20 pts possible Assume that a simple random sample has been selected mom a nomaly distributed population and test the given claim. Identify the null and atemati.e hypotheses. te statisti:, P-vaue, and state the final condusion that addresses the original clam. A safety administr n conducted crash 10sts of Child booster scats for ca Istod bolow arc rcsults from se tests, with thc mcasurements in hic andard hoac Injury conchitton unts). The safety requrement Is that the hicmci ould tha Ignlficance level to test tha Clamthat the sampla ls from a population with a mean loss 00 hl DC the res all of 1he child toostar saats meat tha specmed requirement? 683 605 572 47 What the hypotheses O A. He. Iu 1000 tic O B. Ito. H- 1000 hic C. H H1: 1000 hic H1: H210 hic dentify the ta t (Round three dedma placres as nended P value. P-value the crijin Ho. There is evidence to pport1he cli m that tho sample is from a pol tion wth a moan less tha hic. VIhat de Its suggest about the chid booster seats me e specined requirement? O A. There not strong eMrence that the mean s less than 1coa hir. and nne nt the boaster seats has a measurement that is greater than 10an hc O B. The results are incendusi.e regarding witnether one of the tooster seals could have a measurement Unal is greater uraan 10co tic. O c. The requirement is met since most sample me ments are less than 1000 hi D. Then stro Cvidenco that the mcan 13 less that 000 hic, but cnc of the booster scats has a mca rement that grcator tha 000 hr. ick to select your answeris

Explanation / Answer

option B is correct

t=-3.0730

p value =0.0138

do not reject Ho. there is not sufficient evidence,,,,,,,

option A is correct

X 683 605 1179 596 572 475 mean(X) 685.000 std deviation(S) 251.090 std error =S/(n)1/2 102.5069 t=(X-mean)/std error -3.0730 p value 0.0138

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