Check My Work The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of.30. a. How arge a sample should be taken to estimate the proportion of smokers in the population with a margin of error of 2 to the nearest whole number use 95% confidence つ! b. Assume that the study uses your sample size recommendation in part (a) and finds 520 smokers. What is the point estimate of the prop o \ decimals)? c. What is the 95% confidence interval for the proportion of smokers in the popula tion (to 4 decimals)
Check My Work The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of.30. a. How arge a sample should be taken to estimate the proportion of smokers in the population with a margin of error of 2 to the nearest whole number use 95% confidence つ! b. Assume that the study uses your sample size recommendation in part (a) and finds 520 smokers. What is the point estimate of the prop o \ decimals)? c. What is the 95% confidence interval for the proportion of smokers in the popula tion (to 4 decimals)
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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The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect
new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of.30.
a. How arge a sample should be taken to estimate the proportion of smokers in the population with a margin of error of
2 to the nearest whole number use 95% confidence
つ!
b. Assume that the study uses your sample size recommendation in part (a) and finds 520 smokers. What is the point estimate of the prop
o \ decimals)?
c. What is the 95% confidence interval for the proportion of smokers in the popula
tion (to 4 decimals)
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