5. During a national debate on changes to health care, a cable news service performs an opinion poll of 400 small business owners. It shows that 55% of small-business owners do not approve of health care changes. Develop a 95% confidence interval for the proportion opposing health care changes. Use 3 decimal places. Answers Point Estimate Standard Error Margin of Error

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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5. During a national debate on changes to health care, a cable news service performs
an opinion poll of 400 small business owners. It shows that 55% of small-business
owners do not approve of health care changes. Develop a 95% confidence interval for
the proportion opposing health care changes. Use 3 decimal places.
Answers
Point Estimate
Standard Error
Margin of Error
Alpha
Critical Value
Confidence Interval
|
6. You are given the following data obtained from a sample of 25 observations taken
from a population that ha a normal distribution. The mean is 78 and the sample
standard deviation is 17. Develop a 90% confidence interval estimate for the mean of
the population.
Answers
Point Estimate
Standard Error
Margin of Error
Alpha
Critical Value
Confidence Interval
Transcribed Image Text:5. During a national debate on changes to health care, a cable news service performs an opinion poll of 400 small business owners. It shows that 55% of small-business owners do not approve of health care changes. Develop a 95% confidence interval for the proportion opposing health care changes. Use 3 decimal places. Answers Point Estimate Standard Error Margin of Error Alpha Critical Value Confidence Interval | 6. You are given the following data obtained from a sample of 25 observations taken from a population that ha a normal distribution. The mean is 78 and the sample standard deviation is 17. Develop a 90% confidence interval estimate for the mean of the population. Answers Point Estimate Standard Error Margin of Error Alpha Critical Value Confidence Interval
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