A 95% confidence interval for the true proportion of math students who prefer to use a handheld calculator versus computer software for computations is (0.751, 0.863). Is it reasonable to believe more than 75% of math students prefer to use a handheld calculator versus computer software for computations? Yes, because the entire interval is greater than 0.75. Yes, because the center of the interval is 0.807, which is greater than 0.75. No, because a different sample might give different results. No, because 0.751 is barely greater than 0.75, which is not statistically significant.
A 95% confidence interval for the true proportion of math students who prefer to use a handheld calculator versus computer software for computations is (0.751, 0.863). Is it reasonable to believe more than 75% of math students prefer to use a handheld calculator versus computer software for computations? Yes, because the entire interval is greater than 0.75. Yes, because the center of the interval is 0.807, which is greater than 0.75. No, because a different sample might give different results. No, because 0.751 is barely greater than 0.75, which is not statistically significant.
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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A 95% confidence interval for the true proportion of math students who prefer to use a handheld calculator versus computer software for computations is (0.751, 0.863). Is it reasonable to believe more than 75% of math students prefer to use a handheld calculator versus computer software for computations?
Yes, because the entire interval is greater than 0.75.
Yes, because the center of the interval is 0.807, which is greater than 0.75.
No, because a different sample might give different results.
No, because 0.751 is barely greater than 0.75, which is not statistically significant.
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