The heights of dogs, in inches, in a city are normally distributed with a population standard deviation of 3 inches and an unknown population mean. A random sample of 23 dogs is taken and results in a...

Extracted text: The heights of dogs, in inches, in a city are normally distributed with a population standard deviation of 3 inches and an unknown population mean. A random sample of 23 dogs is taken and results in a sample mean of 44 inches. Find the margin of error for a 95% confidence interval for the population mean. 1.282 645 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.