Sizes of houses in a big city follow a narmal distribution with standard deviation 367 square feet, We would like to construct a 97% confidence interval for the true mean size of all houses in the...

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Extracted text: Sizes of houses in a big city follow a narmal distribution with standard deviation 367 square feet, We would like to construct a 97% confidence interval for the true mean size of all houses in the city. A random sample af 25 housees has a mean size of 1298 square feet. What is the margin of error for the appropriate confidence interval? O 158.365 O 157.293 O 160.286 156.384 O 159.278