How common is SAT coaching? A random sample of students who took the SAT college
Chapter 0, Problem 20.8(choose chapter or problem)
How common is SAT coaching? A random sample of students who took the SAT college entrance examination twice found that 427 of the respondents hadpaid for coaching courses and that the remaining 2733 had not.5 Give a 99%confidence interval for the proportion of coaching among students who retake theSAT. Follow the four-step process as illustrated in Example 20.4.
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