12. What is the average temperature for the five days? Day Mon Tue Wed Thu. Fri. Temperature -3°F 2°F 1°F --4°F -6°F A. -2°F B. -1°F C. 2°F D. 1°F​

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?