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8. Shawna has a record of success in sinking 19 foul shots out of 25 attempts. What is her margin of error at a confidence

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8. Shawna has a record of success in sinking 19 foul shots out of 25 attempts. What is her margin of error at a confidence level of 90%. Confidence Level Z-score 1.4 90% 1.645 95% 1.960 99% 2.576

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