AP Statistics Quiz
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INFERENCE FOR CATEGORICAL DATA: CHI-SQUARE
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A wildlife biologist expects that a certain lake's fish population is about 50% female. The biologist catches a random sample of 12 fish and finds 10 are female. The expected behavior is that the sample proportion should be near 50%, but the observed outcome is about 83% female. Is this result unexpected, given the variability that can occur with random samples of size 12?
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