While visiting the beach, Dan used a pyramid-shaped mold to create a sandcastle. The base of the mold was a rectangle measuring 11 in. By 7 in. The height of the mold was 8 in what is the volume of the sand that the mold will hold?

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?