Question: A tire company claims that no more than 1 of

A tire company claims that no more than 1% of its tires are defective. A national survey shows that 8 out of 500 tires purchased in the last year from this company were defective. Does the sample provide evidence that the percentage of defective tires is more than 1%? (What bias might you be concerned about, with the national survey?)

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  • CreatedJuly 12, 2015
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