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Mathematics, 30.06.2019 04:41 Cheyanne5627
Radioactive fallout from testing atomic bombs drifted across a region. there were 210 people in the region at the time and 36 of them eventually died of cancer. cancer experts estimate that one would expect only about 33 cancer deaths in a group this size. assume the sample is a typical group of people. a) is the death rate observed in the group unusually high? b) does this prove that exposure to radiation increases the risk of cancer?
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