Mathematics, 03.05.2021 17:20 hammackkatelyn60
Radon is a colorless , odorless , invisible gas that seeps into residential homes and has been linked to lung cancer . A generally acceptable safe level of radon is 4pCi / L A random sample of 50 homes in a certain county in West Virginia was obtained and the radon level in each was carefully measured . The sample mean was x = 4.2 with a standard deviation of s = 1.1 .
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Radon is a colorless , odorless , invisible gas that seeps into residential homes and has been linke...
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