Confidence interval estimation of population proportion.
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A roper starch survey asked employees ages 18 to 29 whether they would prefer better health insurance or a raise salary (USA Today, September 5, 200). Answer the following questions assuming 340 of 500 employees said they would prefer better health insurance over a raise.
a) What is the point estimate of the proportion of employees ages 18 to 29 who would prefer better health insurance?
b) What is the 95% confidence interval estimate of the population proportion?
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The solution gives step by step procedure for the construction of 95% confidence interval for population proportion.
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A roper starch survey asked employees ages 18 to 29 whether they would prefer better health insurance or a raise salary (USA Today, September 5, 200). Answer the following ...
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