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Null Hypothesis Experiments

Satisfactory Essays
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A1. Null hypothesis: There is no difference in the proportion of first responders reporting respiratory symptoms between groups of first responders that were exposed to the dust cloud for shorter duration of time and those that were exposed to the dust cloud for longer duration of time. Alternative hypothesis: There is a difference in the proportion of first responders reporting respiratory symptoms between the group of first responders that were exposed to the dust cloud for shorter duration of time and those that were exposed to the dust cloud for longer duration of time.

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