Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 21 Feb 2018 My Price 4.00

batch of machine parts

A batch of machine parts is considered acceptable if the average tensile strength exceeds 41.0 x 106 N/m2 . In a manufactured batch, 10 samples were tested and found to have an average strength of 41.25 x 106 N/m2 , with a standard deviation of 0.30 x 106 N/m2 .

(a) Determine whether, with a 99% confidence level, the manufacturer can state that the product has an average strength exceeding 41.0 million N/m2 .

(b) Supposing that 20 samples are tested and yield the same statistics, answer the question in part (a)

 

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Maurice Tutor
(5)
Status NEW Posted 21 Feb 2018 09:02 PM My Price 4.00

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