Use data from a sample survey to estimate HSS.IC.B.4 Grade Practice Test Questions TOC | Lumos Learning

Use data from a sample survey to estimate HSS.IC.B.4 Question & Answer Key Resources Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 10 Mathematics

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A car manufacturer claims that 31% of all adults intend to purchase a new car in the next three years. They conducted a survey, interviewing 200 random people, which showed that on average, 27% of all adults intend to purchase a new car within the next three years. Given the table below that shows the common z-scores. What is the margin of error for a 98% confidence interval of the percent of all adults who intend to purchase a new car within the next three years?


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