Mathematics, 20.08.2020 19:01 vicky10445
5. A scientist believes the concentration of radon gas in the air is greater that the established safe level of 4pci or less. The scientist tests the composition for 36 days finding an average concentration of 4.4 pci with a sample standard deviation of 1 pci. a) In testing the scientist's belief, write the appropriate hypotheses at 0.05 level of significance.
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Ithink i know it but i want to be sure so can you me out ?
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5. A scientist believes the concentration of radon gas in the air is greater that the established sa...
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