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1. A university health services physician is concerned about how much sleep freshman are getting. She asks a simple random sample of 50 students if they got at least 8 hours of sleep the previous night. Twenty of the 50 students reported to have gotten at least 8 hours of sleep. a. Construct and interpret a 95% confidence interval for the true proportion of all freshman college students who got at least 8 hours of sleep the previous night. Use the 4-step process.

1. A university health services physician is concerned about how much sleep freshman are getting. She asks a simple random sample of 50 students if they got at least 8 hours of sleep the previous night. Twenty of the 50 students reported to have gotten at least 8 hours of sleep. a. Construct and interpret a 95% confidence interval for the true proportion of all freshman college students who got at least 8 hours of sleep the previous night. Use the 4-step process.

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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Need help on this practice. A and B please
1. A university health services physician is concerned about how much sleep freshman are getting. She asks a simple random sample of 50 students if they got at least 8 hours of sleep the previous night. Twenty of the 50 students reported to have gotten at least 8 hours of sleep. a. Construct and interpret a 95% confidence interval for the true proportion of all freshman college students who got at least 8 hours of sleep the previous night. Use the 4-step process. b. Does the interval provide convincing evidence that a majority of college freshmen are not getting enough sleep? Explain your reasoning. Kle
Transcribed Image Text:1. A university health services physician is concerned about how much sleep freshman are getting. She asks a simple random sample of 50 students if they got at least 8 hours of sleep the previous night. Twenty of the 50 students reported to have gotten at least 8 hours of sleep. a. Construct and interpret a 95% confidence interval for the true proportion of all freshman college students who got at least 8 hours of sleep the previous night. Use the 4-step process. b. Does the interval provide convincing evidence that a majority of college freshmen are not getting enough sleep? Explain your reasoning. Kle
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since parameter is proportion here, we use one same proportion confidence interval.

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