7. You plan to conduct a survey to find out what proportion of students pay more than $200 for books each term. You want
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7. You plan to conduct a survey to find out what proportion of students pay more than $200 for books each term. You want
7. You plan to conduct a survey to find out what proportion of students pay more than $200 for books each term. You want to estimate the true proportion with a 95% confidence interval and a margin of error no larger than three percent. How many students should you survey? (6 pts)
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