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

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A metals manufacturing company prides itself on the accuracy of the measurements of the parts the company manufactures. A specific part is supposed to be 4.36 inches long. The company tested 300 of the parts and found that the mean size of the parts in the sample was 4.31 inches long. Given the table below that shows the common z-scores. What is the margin of error for a 99% confidence interval for the parts’ size?

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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