res 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 confidence interval to 50 points with 85 percent confidence, how many students should you sample?  (Round up to a whole number of students.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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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 confidence interval to 50 points with 85 percent confidence, how many students should you sample?  (Round up to a whole number of students.)  

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given data,μ=1500σ=300E= 50 points CI=85.0%α=1-0.85=0.15sample size n=?

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