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Mathematics, 04.09.2019 17:10 kathleendthomas

County health inspectors tested 400 residential water lines for the presence of e. coli contamination. the test they use
can detect the presence of a single coliform bacterium in 100 ml of water. a total of thirteen lines were found to be
contaminated. which of the following statements are true? select all that apply.


County health inspectors tested 400 residential water lines for the presence of e. coli contaminatio

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