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

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An automobile manufacturer wants a specific model car to have a 12.4-second quarter-mile run time. They tested a sample of 150 cars and found that the test had a mean run time of µ =12.6 seconds. The table given below shows the common z-scores. What is the margin of error for a 90% confidence interval on the mean quarter-mile run time?

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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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