Essay
According to a national statistics bureau, 3.7% of males living in the Southwest were retired exterminators. Aresearcher believes that the percentage has increased since then. She randomly selects 250 males in theSouthwest and finds that 4 of them are retired exterminators. Test this researcherʹs claim at the α = 0.1 level ofsignificance.
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, we calculate the...View Answer
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