Estimate population mean HSS.IC.B.4 Grade 10 ACTASPIRE Practice Test Questions TOC | Lumos Learning

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The National Park System is calculating the average number of days that people hike at a park when they visit it. The park staff randomly sampled 500 at various parks and asked them how many days they hiked. They found that the mean number of days was 7 with a standard deviation of 5. Given the table below that shows the common z-scores. Based on the analysis of this sample, what is the 95% confidence interval of the mean number of days that people hike in national parks?

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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