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Mathematics, 05.09.2019 08:20 zakariaaap1
An epa contractor needs to test the concentration of a substance in ten samples of the ground water. seventy samples were
already collected from a single source over the course of a week at regular intervals. the contractor wants to test samples
evenly over the course of that time frame.
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An epa contractor needs to test the concentration of a substance in ten samples of the ground water....
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