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Category > Statistics Posted 09 May 2017 My Price 3.00

Ten randomly selected automobiles were stopped

Ten randomly selected automobiles were stopped, and the tread depth of the right front tire was measured. the mean was 0.32 inch. and the sample standard deviation was 0.08 inch. Find the 95% confidence interval of the mean tread depth. Assume that the variable is approximately normally distributed.

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Status NEW Posted 09 May 2017 05:05 PM My Price 3.00

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file 1494350031-Answer.docx preview (48 words )
T-----------en -----------ran-----------dom-----------ly -----------sel-----------ect-----------ed -----------aut-----------omo-----------bil-----------es -----------wer-----------e s-----------top-----------ped-----------, a-----------nd -----------the----------- tr-----------ead----------- de-----------pth----------- of----------- th-----------e r-----------igh-----------t f-----------ron-----------t t-----------ire----------- wa-----------s m-----------eas-----------ure-----------d. -----------the----------- me-----------an -----------was----------- 0.-----------32 -----------inc-----------h. -----------and----------- th-----------e s-----------amp-----------le -----------sta-----------nda-----------rd -----------dev-----------iat-----------ion----------- wa-----------s 0-----------.08----------- in-----------ch.----------- Fi-----------nd -----------the----------- 95-----------% c-----------onf-----------ide-----------nce----------- in-----------ter-----------val----------- of----------- th-----------e m-----------ean----------- tr-----------ead----------- de-----------pth-----------. A-----------ssu-----------me -----------tha-----------t t-----------he -----------var-----------iab-----------le -----------is -----------app-----------rox-----------ima-----------tel-----------y n-----------orm-----------all-----------y d-----------ist-----------rib-----------ute-----------d. ----------- An-----------swe-----------r ----------- -----------
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