AP Statistics Quiz
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INFERENCE FOR CATEGORICAL DATA: PROPORTIONS
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A sports scientist claims that a higher proportion of runners will experience muscle cramps when they drink water only compared with a sports drink during a race. In a random sample of 120 runners who drank water only, 42 reported cramps; in a separate random sample of 130 runners who drank a sports drink, 30 reported cramps. Which hypotheses are appropriate for a test of this claim?
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