In Springtown, the library is due south of the courthouse and due west of the community swimming pool. If the distance between the library and the courthouse is 15 miles and the distance between the courthouse and the city pool is 17 miles, how far is the library from the community pool?

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?