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Confidence interval for the percentage of young players

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Reference no: EM131745625

Question: Little League. In a 1999 2000 longitudinal study of youth baseball, researchers found that 26% of 298 young pitchers complained of elbow pain after pitching.

a) Create a 90% confidence interval for the percentage of young players who may develop elbow pain after pitching.

b) A coach claims that only about 1 player in 5 is at risk of arm injury from pitching. Is this claim consistent with your confidence interval?

Reference no: EM131745625

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