13.) A professor would like to use a 95% confidence interval to estimate the mean amount of time IRSC students spend studying each week. The professor knows that distribution of time spent studying each week by IRSC students is normally distributed with a standard deviation of 13.9 hours. How large a sample should the professor select to ensure the confidence interval has a width of no more than 6.72 hours. Round the solution up to the nearest whole number. n=
13.) A professor would like to use a 95% confidence interval to estimate the mean amount of time IRSC students spend studying each week. The professor knows that distribution of time spent studying each week by IRSC students is normally distributed with a standard deviation of 13.9 hours. How large a sample should the professor select to ensure the confidence interval has a width of no more than 6.72 hours. Round the solution up to the nearest whole number. n=
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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13.) A professor would like to use a 95% confidence
How large a sample should the professor select to ensure the confidence interval has a width of no more than 6.72 hours. Round the solution up to the nearest whole number.
n=
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