10-year period from copd whereas only 24 such deaths would, Ask an Expert

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Many investigaters have studied the relationship between asbestos exposure and death from chronic obstructive pulmonary disease (COPD)

Suppose that among workers exposed to asbestos in a shipyard in 1980, 33 died over a 10-year period from COPD, whereas only 24 such deaths would be expected based on statewide mortality rates. Is the number of deaths from COPD in this group excessive?

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