You want to estimate the mean SAT score for a population of students with a 90% confidence interval. Assume that the population standard deviation is o = 100. If you want the margin of error to be no more than 10, what is the minimum sample size that is needed? (a) 17 (b) 38 (c) 271 (d) 385 (e) 1646
You want to estimate the mean SAT score for a population of students with a 90% confidence interval. Assume that the population standard deviation is o = 100. If you want the margin of error to be no more than 10, what is the minimum sample size that is needed? (a) 17 (b) 38 (c) 271 (d) 385 (e) 1646
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:You want to estimate the mean SAT score for a population of students with a 90% confidence interval.
Assume that the population standard deviation is o = 100. If you want the margin of error to be no more
than 10, what is the minimum sample size that is needed?
(a) 17
(b) 38
(c) 271
(d) 385
(e) 1646
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