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How common is sat coaching

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Reference no: EM132880329

How common is SAT coaching?

A random sample of students who took the SAT college entrance examination twice found that 425 of the respondents had paid for coaching courses and that the remaining 2743 had not.Construct and interpret a 99% confidence interval for the proportion of coaching among students who retake the SAT.

Reference no: EM132880329

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