SAT scores are normally distributed with a mean of 1,500 and a standard deviation at a college is interested in estimating the average SAT score of first-year student would like to limit the margin of error of the 80% confidence interval to 25 points should the administrator sample? Make sure to give a whole number answer.

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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SAT scores are normally distributed with a mean of 1,500 and a standard deviation of 300. An administrator
at a college is interested in estimating the average SAT score of first-year students. If the administrator
would like to limit the margin of error of the 80% confidence interval to 25 points, how many students
should the administrator sample? Make sure to give a whole number answer.
Transcribed Image Text:SAT scores are normally distributed with a mean of 1,500 and a standard deviation of 300. An administrator at a college is interested in estimating the average SAT score of first-year students. If the administrator would like to limit the margin of error of the 80% confidence interval to 25 points, how many students should the administrator sample? Make sure to give a whole number answer.
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