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You are researching the average SAT score,and youwant to know how many people you should survey if youwant to know, at a 98% confidence level,

You are researching the average SAT score,and youwant to know how many people you should survey if youwant to know, at a 98% confidence level, that the sample meanscore is within 50 points of the true population mean. From above, we know that thepopulation standard deviation is 194, and z0.01=2.326.What is the minimumsample size that should be surveyed?

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