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 09 Oct 2017 My Price 4.00

Water pollution testing.

Water pollution testing. The EPA wants to test a randomly selected sample of n water specimens and estimate m, the mean daily rate of pollution produced by a mining operation. If the EPA wants a 95% confidence interval estimate with a sampling error of 1 milligram per liter (mg/L), how many water specimens are required in the sample? Assume that prior knowledge indicates that pollution readings in water samples taken during a day are approximately normally distributed with a standard deviation equal to 5 (mg/L).

 

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Maurice Tutor
(5)
Status NEW Posted 09 Oct 2017 04:10 PM My Price 4.00

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