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Mathematics, 12.04.2021 19:40 tookie6208
You want to estimate the average price of a home in your city. You know that the standard deviation in prices is $80,000. You take a simple random sample of 40 homes and compute a sample mean of $288,000. 1. Find a 95% confidence interval for the population mean. 2. How many homes would you need to sample to get a margin of error of less than $8000.
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