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Question: One of the questions on a survey of 1,000 adults asked if today's children will...

Question: One of the questions on a survey of 1,000 adults asked if today's children will be better off tha...
One of the questions on a survey of 1,000 adults asked if today's children will be better off than their parents (Rasmussen Reports website October 26, 2012). Representative data are shown in the file ChildOutlook. A response of Yes indicates that the adult surveyed did think today's children will be better off than their parents. A response of No indicates that the adult surveyed did not think today's children will be better off than their parents. A response of Not Sure was given by 23% of the adults being surveyed.

c. What is the 95% confidence interval for the proportion of adult's who do think that today's children will be better off than their parents (to 4 decimals)?

d. What is the 95% confidence interval for the proportion of adult's who do not think that today's children will be better off than their parents (to 4 decimals)?

c. Which of the confidence intervals in part C and part D has the smallest margin of error? Why?
Math   Statistics-And-Probability   
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