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. In a recent sample 145 of 300 students admitted to leaving their computer during an virtual lecture. (a) Construct a 90% confidence interval for actual proportion of students leaving their computer during an virtual lecture. (b) If we wanted the resulting answer to within 2%, how many MORE students should we sample assuming we have the result from the first 300? (c) If we wanted the resulting answer to within 1%, how many students should we sample assuming we have no prior knowledge of the result?

. In a recent sample 145 of 300 students admitted to leaving their computer during an virtual lecture. (a) Construct a 90% confidence interval for actual proportion of students leaving their computer during an virtual lecture. (b) If we wanted the resulting answer to within 2%, how many MORE students should we sample assuming we have the result from the first 300? (c) If we wanted the resulting answer to within 1%, how many students should we sample assuming we have no prior knowledge of the result?

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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4. In a recent sample 145 of 300 students admitted to leaving their computer during an virtual
lecture.
(a) Construct a 90% confidence interval for actual proportion of students leaving their computer during an virtual lecture.
(b) If we wanted the resulting answer to within 2%, how many MORE students should we
sample assuming we have the result from the first 300?
(c) If we wanted the resulting answer to within 1%, how many students should we sample
assuming we have no prior knowledge of the result?
(d) Were any assumptions needed to answer the above questions. Why or why not?

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