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Mathematics, 25.12.2019 04:31 anonymous1813
Researchers conducted a study to determine the monthly rental cost of rent-controlled apartments in the five boroughs of new york city in 2012. the study randomly sampled 203 apartment records from brooklyn, obtained from a large collection of income- and expense-filing statements. the 95% confidence interval of rent-controlled apartment costs in brooklyn was $1,025.00 ± ± $9.24. the cost of all rent-controlled apartments in brooklyn has a standard deviation of $67.20. state the conclusion of the z z -confidence interval for the mean.
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