Ablock of walnut wood has a mass of 84.96 g and density of 0.59 g/cm3 . the block is a rectangular prism with a length of 2 cm and a width of 8 cm. what is the height of the block of walnut?

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?