Mathematics, 12.02.2021 14:00, mfkinnatz

A College Board sample estimated the standard deviation of 2016 SAT scores to be 194 points. You are researching the average SAT score. You want to know how many people you should survey if you want to know, at a 98% confidence level, that the sample mean SAT score is within 50 points of the true mean SAT score. What value for z should you use in the sample size formula?

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A College Board sample estimated the standard deviation of 2016 SAT scores to be 194 points. You are...

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