The number of square feet per house are normally distributed with a population standard deviation of 197 square feet and an unknown population mean. If a random sample of 25 houses is taken and results in a sample mean of 1820 square feet, find a 99% confidence interval for the population mean. z0.10    z0.05    z0.025    z0.01    z0.005 1.282    1.645    1.960    2.326    2.576 You may use a calculator or the common z values above. Round each number to three decimal places, if necessary

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The number of square feet per house are normally distributed with a population standard deviation of 197 square feet and an unknown population mean. If a random sample of 25 houses is taken and results in a sample mean of 1820 square feet, find a 99% confidence interval for the population mean.

z0.10    z0.05    z0.025    z0.01    z0.005
1.282    1.645    1.960    2.326    2.576
You may use a calculator or the common z values above.

Round each number to three decimal places, if necessary.

 

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