Estimate population mean HSS.IC.B.4 Grade Practice Test Questions TOC | Lumos Learning

Estimate population mean HSS.IC.B.4 Question & Answer Key Resources Lumos StepUp ACT Practice Program - Mathematics

Lumos StepUp ACT Practice Program - Mathematics Estimate population mean

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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?

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):HSS.IC.B.4

Standard Description: Use data from a sample survey to estimate a population mean or proportion; develop a margin of error through the use of simulation models for random sampling.

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