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Suppose that the population of the scores of all high school seniors who took the SAT Math (SAT-M) test this year follows a Normal distribution with standard deviation - 100. You read a report that says, "On the basis of a simple random sample of 100 high school seniors that took the SAT-M test this year, a confidence interval for u is found to be 512.00 + 25.76." What was the confidence level used to calculate this confidence interval? A) 90% В) 95% С) 99% D) 99.9%

Suppose that the population of the scores of all high school seniors who took the SAT Math (SAT-M) test this year follows a Normal distribution with standard deviation - 100. You read a report that says, "On the basis of a simple random sample of 100 high school seniors that took the SAT-M test this year, a confidence interval for u is found to be 512.00 + 25.76." What was the confidence level used to calculate this confidence interval? A) 90% В) 95% С) 99% D) 99.9%

MATLAB: An Introduction with Applications
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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Suppose that the population of the scores of all high school seniors who took the SAT Math (SAT-M) test this year follows a Normal distribution with standard deviation 100. You read a report that says, "On the basis of a simple random sample of 100 high school seniors that took the SAT-M test this year, a confidence interval for u is found to be 512.00 + 25.76." What was the confidence level used to calculate this confidence interval? A) 90% В) 95% С) 99% D) 99.9%
Transcribed Image Text:Suppose that the population of the scores of all high school seniors who took the SAT Math (SAT-M) test this year follows a Normal distribution with standard deviation 100. You read a report that says, "On the basis of a simple random sample of 100 high school seniors that took the SAT-M test this year, a confidence interval for u is found to be 512.00 + 25.76." What was the confidence level used to calculate this confidence interval? A) 90% В) 95% С) 99% D) 99.9%
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