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Mathematics, 04.12.2021 05:30 xwalker6772

2. In the US, about half of all homes with a basement also have a sump pump. A plumbing company surveys 673 homeowners with basements, chosen through a random sample, and finds that of those 673,
there are 392 who own a sump pump. Does this survey constitute significant evidence evidence that
Chicago homes with basements have sump pumps at a higher rate than the average in the US? Use a
hypothesis test to support your findings.


2. In the US, about half of all homes with a basement also have a sump pump. A plumbing company

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