Question: 7. please help QUESTION 7 . 1 POINT The number of square feet per house are normally distributed with a population standard deviation of 137
7. please help

QUESTION 7 . 1 POINT The number of square feet per house are normally distributed with a population standard deviation of 137 square feet and an unknown population mean. A random sample of 19 houses is taken and results in a sample mean of 1350 square feet. Find the margin of error for a 80% confidence interval for the population mean. 20.10 20.05 20.025 Zo.01 Zo.005 1.282 1.645 1.960 2.326 2.576 You may use a calculator or the common z values above. . Round the final answer to two decimal places. Provide your answer below
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