In a sample of 5 courses with no support course the average final of 200 students was 70%with a standard deviation of 10%. Calculate a 95% confidence interval for the mean ofstudents who did not take a support course. (Type numbers in Excel without percent sign)(68.61, 71.39)(68.61, 71.38)O (68.60, 71.39)O (69.96, 70.04)O 5 is not larger than 40 so we cannot compute a confidence interval. If a sample of 35 employees had been selected, could we find a 95% confidence interval forthe average salary of the entire company?Yes because when I plug 35 into the calculator with the previous average of $55,000 and standarddeviation of $5,000 I get a confidence interval of ($53,343.53, $56,656.47)O No since 35 is less than 40.

Question 1 Given, sample size (n) = 200 standard deviation (σ) = 10 sample mean (x̄) = 70…

Answered: In a sample of 5 courses with no…

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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In a sample of 5 courses with no support course the average final of 200 students was 70% with a standard deviation of 10%. Calculate a 95% confidence interval for the mean of students who did not take a support course. (Type numbers in Excel without percent sign) (68.61, 71.39)