Question: (Find Sample Size) SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average

(Find Sample Size) SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SAT score of first year students at your college. If you would like to limit the margin of error of your 90% confidence interval to 20 points, how many students should you sample?

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