On friday it snowed 3 2/7 inches. on saturday it snowed 2/7 inches. how much more did it snow on friday then saturday? a. 3 2/7 inches b.3 2/14 inches c. 3 6/7 inches d. 3 6/14 inches

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?