What is the surface area of the box if it is scaled up by a factor of 10? list dimensions

Length: 9.5 inch which is 24 cm

Width: 2.8 inch which is 6 cm

Height: 13 inch which is 33 cm

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?