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    Intersection accidents: Null and alternative hypotheses in t

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    The local municipality claims that since the percentage of intersections that had an accident last year decreased from the prior year, the city is now safer. What are the hypotheses for this situation? Is the city really safer?

    Should be in the form of the null hypothesis (H0), and the alternative hypothesis (H1).

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    Solution Preview

    The null hypothesis states that there is no relation between the phenomena whose relation is under investigation. The alternative hypothesis is the opposite of the ...

    Solution Summary

    This solution goes over how to formulate hypotheses for hypothesis testing within the context of statistics.