Mathematics, 22.04.2021 18:40 hely7856

The Wolverine Worldwide, a show company in Rockford, improperly disposed of chemicals (PFAS) which leaked into the ground water. The state's drinking water limit of 70 parts per trillion (ppt) is considered safe, while
anything above 70ppt is considered dangerous. Officials believe that the water in nearby towns to Rockford may
also be unsafe. They take a random sample of 200 households in a nearby town. They find the average level of
the sample is 70.5 ppt.

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The Wolverine Worldwide, a show company in Rockford, improperly disposed of chemicals (PFAS) which l...

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