A telephone poll of 1,000 adult Americans was reported in an issue of a news magazine. One of the questions in the poll was "How much are you worried about the quality of education in schools?" Of those that responded, 63% responded "a lot." You are interested in the population proportion of adult Americans who are worried a lot about the quality of education in schools. Construct a 95% confidence interval for the population proportion of adult Americans who are worried a lot about the quality of education in schools. Calculate the error bound. State the confidence interval. Sketch the normal distribution graph. Label the graph with the point estimate, lower and upper bounds, CL, and a/2.
A telephone poll of 1,000 adult Americans was reported in an issue of a news magazine. One of the questions in the poll was "How much are you worried about the quality of education in schools?" Of those that responded, 63% responded "a lot." You are interested in the population proportion of adult Americans who are worried a lot about the quality of education in schools. Construct a 95% confidence interval for the population proportion of adult Americans who are worried a lot about the quality of education in schools. Calculate the error bound. State the confidence interval. Sketch the normal distribution graph. Label the graph with the point estimate, lower and upper bounds, CL, and a/2.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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A telephone poll of 1,000 adult Americans was reported in an issue of a news magazine. One of the questions in the poll was "How much are you worried about the quality of education in schools?" Of those that responded, 63% responded "a lot." You are interested in the population proportion of adult Americans who are worried a lot about the quality of education in schools. Construct a 95% confidence interval for the population proportion of adult Americans who are worried a lot about the quality of education in schools.
- Calculate the error bound.
- State the confidence interval.
- Sketch the
normal distribution graph. Label the graph with the point estimate, lower and upper bounds, CL, and a/2.
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